(CCCP Patch) Modify .gitattributes.
(CCCP Patch) Add CCCP extra build time date generation

Makes version_rev.h contain CCCP_BUILD_* defines
(CCCP Patch) Add CCCP MPC-HC defaults.
(CCCP Patch) Adding the CCCP main icons to MPC-HC.
(CCCP Patch) Adding the CCCP logos (with Chiyo-chan!).
(CCCP Patch) Make the update checker to check for CCCP versions
(CCCP Patch) Switch the bug reporting URL in MiniDump.cpp

Make MPC-HC's developers happier by not leading monkeys with our
dumps there, even though we do distribute our debug symbols now.
(CCCP Patch) A quick hack around iconlib warning

Will be removed after we decide upon an iconlib to use.
(CCCP Patch) Change the "beta" status text to "CCCP Build"

Personally I have no interest in such changes, but some users
herped a derp, so I oblige.
Subtitles: Remove the subtitle renderer sanity checks

They are imperfect and can cause valid "sane" subtitles to not
show. Also fix a new to be (std::nothrow) so that it can be just
checked for NULL.
VobSubImage: Fix parsing of alpha channel with vobsub subpictures

Fixes some previously invisible vobsubs to be shown.

Backport of MPC-BE commit 1459