check only first byte of UTF-8 character with isspace in TrimX
[lang] add comment/usage to key "Guide" to clarify its meaning
[win32] add cmake C/CXX compiler flag override files
[win32] extend ARCH_DEFINES for binary addon builds
[win32] add an "install" switch to make-addons.bat to install built binary addons to <root>/addons
[win32] cosmetics in make-addons.bat and make-addon-depends.bat
[win32] extend make-addons.bat and make-addons.bat to be able to build specific addons/depends
cosmetics in binary addon's CMakeLists.txt
cmake: clarify README of xbmc-addons project
Merge pull request #5055 from Montellese/binary_addons_win32_improvements

cmake: some win32 fixes
Merge pull request #4896 from sportica/mac_fix_space

Some character disappear on mac os x
Merge pull request #5054 from xhaggi/lang-key-comment

[lang] add comment/usage to key "Guide" to clarify its meaning
videoplayer: adapt lateness detection and dropping to buffering
video player: present correct pts to user for a/v sync (after buffering in renderer)
renderer: bump buffers to 5
videoplayer: update frametime, it might change due to fps detection
videoplayer: give streams with invalid fps a chance for fps detection
dvdplayer: allow rewinding at end of stream, do a seek after rewind
dvdplayer: observe pts counter overflow
dvdplayer: avoid short screen flicker caused by unnecessary reconfigure of renderer