Add support for ForkLift 2 to the ForkLift plugin

The ForkLift plugin now supports ForkLift 2 as well as ForkLift 1.
If ForkLift is not running it also waits for it to be running before
trying to switch to the specified directory
Added '.war' extension to unzip
Added '.jar'
Added gitignore plugin ( for gitignore.io )
Updated completion to work with comma seperated list