Fix LuaJIT build script to add dependency files for luajit executable.

The luajit executable should now be able to generate Lua bytecode files in Bin/ directory under the project root directory or in any directory when Urho3D SDK is installed in the filesystem.
Fixed File::IsOpen() returning false for APK files on Android. Closes #179.
Merge remote-tracking branch 'upstream/master'
remove useless file