Fix tiny 9 byte memleak per Authentication-Info header check if the nonce count option was specified.

Check the server's reply upon successful authentication and validate it (just to make sure that no one is spoofing the server's reply). This will probably fail if qop=auth-int (code needs to be fixed).

Commit changes to m4/private.m4. Please yell (and remove the file from git) if this wasn't supposed to be committed.

Note, this is already done by vlm_Delete() so there is probably a bug around.

Rewrite old command definitions to no longer use those filthy macros. Added all text functionality so the test application runs successfully.

Blending - Added blend benchmarking filter

Overlay - Added text demonstrations

Overlay - Updated test program

Overlay - Extended demonstration program

Overlay - Basic test/demonstration program

Overlay - Basic test/demonstration program

Patch by Soren Bog <avacore@videolan.org> from GSoC: Overlay - Add alpha component to subpicture regions.

Signed-off-by: Felix Paul Kühne <fkuehne@videolan.org>

note to self: Keep an eye on it if you update the OS X GUI...

Preliminary HTTP Digest Access Authentication client side support. auth-int support is incomplete (so it won't work). A few FIXMEs still need to be addressed.

changed the remaining xpm files from static char* to const static char* to avoid some more compiler warnings
Signed-off-by: Rafaël Carré <funman@videolan.org>