Fix sample task aliases

Fix syntax of sample task aliases, specifying tasks in an array.
deleting in favor of gitignore
added docs for env directives
added .idea
fixed links upped version
cleaned up code, using lodash
added tests for directives
updates
Merge pull request #16 from cwarden/patch-1

Fix sample task aliases
add support for envdir
ensure envdir file is not a directory
Update README.md
Update README.md
removed support for 0.8
allow function for values
Merge branch 'tonylukasavage-function_values'

* tonylukasavage-function_values:
  allow function for values
Merge branch 'master' of https://github.com/sjhewitt/grunt-env into sjhewitt-master

* 'master' of https://github.com/sjhewitt/grunt-env:
  ensure envdir file is not a directory
  add support for envdir

Conflicts:
	Gruntfile.js
Update README.md

Fixed missing close apostrophe.
Merge pull request #26 from n1c/patch-1

Update README.md