Add functions to send buffer, region and line to the CoffeeREPL buffer.
Add key mappings to run the new send functions. Followed convention used in ruby-mode.
Refactor name of Coffee REPL buffer into variable.
Merge branch 'master' into inferior-coffee

Conflicts:
	coffee-mode.el
Refactor methods to use send-region.

Refactor send-region to use the coffee-get-repl-proc method to lookup buffer to
send to.
Merge pull request #82 from tmcgilchrist/inferior-coffee

Add functions to send buffer, region and line to the CoffeeREPL.