Merge pull request #50 from slipset/master

Fixed speling mistake
Merge pull request #52 from slipset/master

Added keybindings for using the REPL
UI fixes to debugger

- mouse-1 pushes buttons
- Show the debugger-output buffer on output
- make faces and fringes consistent with gud.el
Merge pull request #53 from edani/debug-218

UI fixes to debugger
added more sbt keybindings #488
added supporting funcitons in sbt-mode.el
Merge pull request #54 from slipset/more-sbt-keybindings

added more sbt keybindings #488