Update package.json

https://github.com/less/less.js/tarball/1.5.0-wip no longer exists
updating to pull 'master' branch
Merge pull request #15 from pwaleczek/patch-1

Update package.json
correction on readme
update banner code
Merge branch 'origin/master'

Conflicts:
	package.json
Merge branch 'origin/master'
fixes a bug related to bower