Fix shortcut handling where keystroke is sent twice if not trapped for
an action
Use Ctrl+Shift+C and Ctrl+Shift+V by default for copy/paste
Merge pull request #46 from Plonk42/ctrl_shit_v2

Copy/Paste shortcut improved
Don't use copyArea with Retina.
Make drawImage protected.
Use Predicate<TerminalWidget> to create a new session.
Extract method.
Don't use copyArea on Retina.
Merge remote-tracking branch 'origin/master'
Merge UserSettingsProvider and SystemSettingsProvider
Merge branch 'master' into user_settings

Conflicts:
	src-terminal/com/jediterm/terminal/ui/AbstractTerminalFrame.java
	src-terminal/com/jediterm/terminal/ui/TabbedTerminalWidget.java