Added IntelliJ files to .gitignore.
Added new 'last' command.
Fixed linting problem.
Made 'last' command spit out the start date (if the build is currently running) OR end date of the build.
Merge branch 'master' of github.com:cliffano/nestor

Conflicts:
	lib/cli.js
	package.json
Merge pull request #26 from kelveden/master

New 'last' command