Added missing createInterface method

Fixes externs created with openfl-tools/utils/JavaExternGenerator.hx
Minor fixes
Remove ApplicationMain.getAsset
Merge pull request #49 from jarkkosyrjala/patch-1

Added missing createInterface method
Fix --no-traces on Android
Remove debug messages
Fix NMEFont, rename to AbstractFont
Filter properties should be public
Include SDL2.dll dependency on Windows for now, until static linking is properly working
Remove unneeded SDL2 DLL, now that SDL2 links statically on Windows
Include HXCPP libraries for C++ builds only, add templates for 64-bit Neko/Mac
Fix behavior of UI status bar for iOS 7
Merge https://github.com/openfl/openfl-native