Remove B_COMMON*_DIRECTORY and kCommon*Directory constants

* This does intentionally break source compatibility, so that a review
of concerned code is forced.
* Binary compatibility should be maintained in most cases. The values
of the constants for the writable directories are now used for the
writable system directories. The values for the non-writable
directories are mapped to "/boot/system/data/empty/...", an empty or
non-existent directory, so that they will simply be skipped in search
paths. Only code that explicitly expects to find something in a
B_COMMON_* directory, will fail.

add_catalog_entry_attributes.sh: Remove optional directory

Localization of the most user-visible folders. Ignoring subfolders of common/, system/ and home/config/.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41148 a95241bf-73f2-0310-859d-f6bbb57e9c96

Remove B_COMMON*_DIRECTORY and kCommon*Directory constants

* This does intentionally break source compatibility, so that a review
of concerned code is forced.
* Binary compatibility should be maintained in most cases. The values
of the constants for the writable directories are now used for the
writable system directories. The values for the non-writable
directories are mapped to "/boot/system/data/empty/...", an empty or
non-existent directory, so that they will simply be skipped in search
paths. Only code that explicitly expects to find something in a
B_COMMON_* directory, will fail.

add_catalog_entry_attributes.sh: Remove optional directory

Localization of the most user-visible folders. Ignoring subfolders of common/, system/ and home/config/.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41148 a95241bf-73f2-0310-859d-f6bbb57e9c96