Travis CI: site documentation update at 2014-11-19 15:18:43 UTC.

Commit: https://github.com/urho3d/Urho3D/commit/0fb99af9e4ff46d18b1d1a4c19c425a2fea90c64

Message: Misc. fixes and enhancement for Android platform.
- Add initial support for ndk-gdb. Enable via new 'URHO3D_NDK_GDB' build option.
- Enhance rake android task: more effective loop to wait for Android device, ability to pick library to run from SampleLauncher from the adb shell.
- Fix "buildvm" tool name for Android to derive from the correct NDK ABI CMake's variable.
- Fix Android toolchain to copy shared STL library to the correct Android library output directory.