Updated rustc-serialize
Fixed a bug in undo/redo.
Cursor status now displays the correct status.
Move frontend initialisation to main.rs
Make Editor::frontend generic
Remove deprecation warning
Removed rustc/cargo --version from travis script
Updated rustbox version
Bugs should be fixed except moving down on the final line.
Small refactor, large improvement.
Fixed a small bug.
Added the line count back to the status line.
Merge branch 'gapbuffer' of https://github.com/dlaronson/iota into dlaronson-gapbuffer

Conflicts:
	Cargo.lock
	src/iota/buffer.rs
	src/iota/editor.rs
	src/iota/view.rs
Minor optimization to draw.
Now scrolls right and left but still has major bugs involving scrolling.
Oops, small bug.
Merge branch 'gapbuffer' of https://github.com/dlaronson/iota into dlaronson-gapbuffer
Fixed vertical scrolling
Merge branch 'dlaronson-gapbuffer'
Move screen when undo & redo occur.