Support : Validation for Host Portion of URL

Partly Fixes #14377

Change-Id: Ia611d3653d2c16c6dcdc48ce57bd61bb6e6db366
Reviewed-on: https://review.haiku-os.org/476
Reviewed-by: Adrien Destugues <pulkomandy@pulkomandy.tk>

Url: implement same URL parsing logic in C/C++ code

- Remove uses of group matching regular expression, not available on all
build hosts,
- Parsing is faster than our old regexp engine.

Signed-off-by: Adrien Destugues <pulkomandy@pulkomandy.tk>

- Fixes #13002
- Fixed some indentation (tabs vs space), please configure your editor
properly.

BPackageInfo::Parser: Validate URL strings.

Fixes #12710.

Signed-off-by: Augustin Cavalier <waddlesplash@gmail.com>
I fixed the modifications to the Jamfiles in src/bin, they were all wrong
in the patch.