brush engine: added angle and roundness parameters
ported to Android Studio 0.2.9
configured git for Android Studio
added CanvasData class for saving the bitmaps
saving canvas bitmap on changing screen orientation
temporary setted screen orientation to hard portrait
brush engine: changed hardcode brush settings
brush engine: new interpolate system based on quadratic bezier function
added clearing canvas action
added color menu item to action bar
added dummy color dialog
added the HSV SeekBars to the Color Dialog
BrushEngine class converted to a singleton
Color Dialog is fully functional
added the application class for getting a context
default values for the brush engine saved in the resources file
prefer external for install location
parameter Color is stored in the preferences file
MainActitity class moved in the activity package
added BrushSettingsActivity class