improved grammar in index.html
Merge pull request #8 from top-page-design/master

Improved grammar in index.html
Fixed typos
Merge pull request #11 from pborreli/typos

Fixed typos
Made English grammar checking and typos fixed

Since this library is open to public for contribution, I think, it should have correct English grammar in documentation.
Merge pull request #13 from muminoff/master

Made English grammar checking and typos fixed
Fix tests from 'Fixed typos' #11
Add percentage check on Pathformer
Mention bower availability in readme and demo page
Add gulp task to insert lib info comment on distrib files