adding ability to clear local storage based on a regex
fixing global variable
Merge branch 'master' of github.com:grevory/angular-local-storage into regex_clear
Merge branch 'master' of github.com:grevory/angular-local-storage into regex_clear
Merge branch 'master' of github.com:grevory/angular-local-storage into regex_clear

Conflicts:
	angular-local-storage.js
updating docs on demo page
Merge pull request #29 from mwickman/regex_clear

Adding ability to clear local storage based on a regex