xfreerdp: improve asynchronicity
xfreerdp: combine X11 updates
xfreerdp: cleanup eventing
xfreerdp: fix XInitThreads() usage
xfreerdp: stabilize asynchronous X11 event handling
libfreerdp-core: add capabilities debug output
libfreerdp-core: refactor bitmap codec guid handling
iOS: initial release of iFreeRDP

This is the initial release of iFreeRDP the FreeRDP iOS client.
Build instructions can be found in docs/README.ios.
Fixed compilation with -Wstrict-prototypes
libfreerdp-core: fix some async updates race conditions
libfreerdp-common: added new command-line options
libfreerdp-core: added ObjectPool
Updated bundle identifier
Merge remote-tracking branch 'upstream/master' into ios-release
Merge pull request #974 from thinstuff/iFreeRDP

Initial FreeRDP iOS release
libwinpr-interlocked: fix iOS build
Merge branch 'master' of github.com:FreeRDP/FreeRDP
Merge pull request #973 from hardening/includeFixesTrunk

Fixed compilation with -Wstrict-prototypes
Merge branch 'master' of github.com:FreeRDP/FreeRDP
Fixed prototypes