Merge pull request #9 from wilx/master

Merge C++11 related changes.
Merge pull request #11 from wilx/master

Unbreak CMake based build.
Merge pull request #12 from wilx/master

Merge.
Merge pull request #13 from wilx/master

Merge.
Merge pull request #18 from wilx/master

Merge C++11 related changes.
Merge pull request #21 from wilx/master

Merge.
android/android.toolchain.cmake: Update from
https://github.com/taka-no-me/android-cmake/blob/master/android.toolchain.cmake.