update license to GPLv2 and GPLv3

Fix warnings in debug build

Separate debug defines for every module

pico_tree_insert: check return value and free memory if needed

Issue #387: Check return value of pico_timer_add() and pico_timer_add_hashed()

Check rdlength when parsing a DNS response

Make local variables static

detected using -Wmissing-variable-declarations clang option

Enforced style via uncrustify

Do not add 0.0.0.0 nameservers

Revert "Fix CNAME resolving in dns client" - pushed in dev instead

This reverts commit 352469fb64c0af20e3216274eb4be87191fcfea3.

Fix CNAME resolving in dns client

Fix CNAME resolving in dns client

DNS & mDNS are case insensitive

Reviewed coding style, preparing for release

Fixed IPV6=0 build, fixed some IPV4=0 builds

Re-instated fix for bug #251, removed during DNS-SD merge

Revert "Restored dns_client broken in e09106b7fd2c42d6d3450fc29b549c443ebffa13"

This reverts commit 8640e1e52bda3fb17e29d78564190e293dbf548a.

Revert "Re-made style"

This reverts commit 8b4a64259d2fbd2db6e64524eebc07aef066f766.

Re-made style

Restored dns_client broken in e09106b7fd2c42d6d3450fc29b549c443ebffa13

Made style with uncrustify

Proper merging of development

Fixed DNS url checking, possible fix for #251

Added boundaries to the dns notation change functions

Possible boundaries violations found via Pareon Verify tool.

Updated Copyright information.

Coding style enforced.

Made MTU configurable from dev

Also, fixed a problem with UDP fragmentation

[(m)DNS] Code refactoring

[mDNS][DNS] Move dup code into common file

Cleaned up DNS Client and mDNS modules a little

- Included pico_mdns.h in c file
- Moved flags defines to dns_common
- made mDNS dest address a define

Issue #197: Restart query when CNAME alone is encountered.

Various small cleanup for (m)DNS

Made a small alteration to the DNS module.

Made fix to DNS module.

Third attempt to fix bug #196

Second attempt to fix #196

Revert "Limited dns getaddr to 63 Bytes, return -1 otherwise."

This reverts commit 29bb2850e842da64c1cd2557964f4d96531c15e1.

Revert "Fixed bug introduced in previous commit"

This reverts commit d9f590b964c34749753d9d1249e6a25eab48d1ea.

Fixed bug introduced in previous commit

Limited dns getaddr to 63 Bytes, return -1 otherwise.

Should fix #196

Added pico_dns_common include and other stuff

Two functions were unnecessarily defined in pico_dns_client.h also added
pico_dns_common.c to units.c.

Added two functions to pico_dns_common

Combine common functions of mDNS and DNS

Functions that are shared by the DNS client and the mDNS client are
combined in pico_dns_common. There is still some overlap between the two
modules, so this should be refactored to make the common part even
bigger.

Increased quality of pico_dns_client code

- Abstract interpretation annotations taken into account

Exposing default DNS server on header file

Enforced coding style via uncrustify

Refactored IP address comparison into one centralized function

Initial commit for mdns module

Fixed getname6

Removed duplicate code in mdns module and added preprocessor directive in sntp client

Fixed broken preprocessor directives IPV6

Changed name to be compatible with mbed (C++)

Removed some duplicate code, made some functions accessible for the incoming mdns module.

Set OpenDNS address as default resolver

Changes for IAR/EWARM

Changed gcc's attribute packet to enable compatibility with IAR

Fixed more minor coding standard violations

Enforcing coding style

Removed stale printf + removed dns debug

DNS Client now supports IPv6 queries (rfc3596)

Finished up basic ipv6 support inclusion from private branch

Fixed potential NULL deref in dns_client

'make style' adjusted formatting

Fixed NULL dereferences in the dns client

* changed pico_free into PICO_FREE
* changed pico_zalloc into PICO_ZALLOC

Fixed coding style

Fixed broken DNS client

Fixed warnings that were found by the mbed online compiler

Fixed warnings that were found by the mbed online compiler

Added uncrustify. Enforced some coding rules. Added "make style" target.

Promoted pico_tick to uint64, created pico_time to diff the time variables

Bug #58. Replaced 0 sized arrays with flexible arrays.

Fixed potential memory leak (thx Jenkins)

Issue #17. Fixed warnings (part three)

Issue #17. Fixed warnings (part one)

Added dummy struct for dns client.

Issue #15. Changed the dns client to free data when answer comes, not when the timer expires.

Issue #27. Fixed dns and udp leaks

Github Issue #17: Enabled more Warning flags, fixed all warnings.

Issue #17. Fixed dns always false condition because of range.

Issue #17. Fixed all -Wunused-parameter, except dhcp,

Task #781 DNS: fixed return values + code duplication

Task #781 refactored DNS client module

Fixed 16bit alignment probable problems

Task #622 Allow passing of identifier to DNS requests

You can now pass a void pointer containing an indentifier for your
DNS request. The callback will pass this void pointer back.

Task #442 Integrated the new rb library + unit tests for it + a few bugfixes

DNS client bugfix on socket closure + extra error handling

Task #417 Improve DNS client error handling

Reworked static objects in the modules, to allow unit tests to include .c files

DNS client parsing every answer till a valid or the end

Changed LICENSE to GPL2. Removed the do-not-distribute clause from the source headers

Task #85 DNS client converted void* to char*

Task #85 Implement nameserver add/del and default

Task #85 Implemented user callbacks, id generation and retransmission

Task #85 Cleanup of POSIX sockets and addition of extra defines

Task #85 Implement DNS module initial commit