Add CLDrawTool & CLSplashTool

Bug fixes, add black theme

Add CLEmoticonTool

Update color picker

Merge pull request yackle#27 from yackle/develop

Update README according to the suggestion yackle#26

Merge branch 'master' of https://github.com/yackle/CLImageEditor

Add resize and sticker tool as optional imag tool

Add theme settings

Updated podspec

Add CLImageEditor.podspec, modified for CocoaPods