Adding the gray theme.
Removing the jQuery requirement.
Changing readme for jQuery removal.
Adding changelog.
Adding blue and gray theme html.
Changing example and blue theme html.
Using two themes in the index.html
Merge branch 'master' into theme_addition

Conflicts:
	src/creditly.js
Has-error should show up for all themes.
ErrorMessages bugfix.
Navbar for the themes in the index.
Improving the README