Added support for Hosted Button
Added Optional fields support (OPTIONnNAME)
Code review changes
insertBefore is not needed - Removed
Documentation for Hosted Button, custom drop-down field and custom input field
Added required feature for custom field
Added form submit event for Future Proof design
css cosmetics changes
implemented code review comments
change JSON to data attribute
Content update
fixed jshint fail
Added quick test to tests/index.html for Hosted buttons
Check validate for required and pattern
Code optimization
code cleanup
Pay now locale added
IE8 fix and updated read me file
Minor optimization
Merge conflict resolved
Merge branch 'master' of https://github.com/paypal/JavaScriptButtons

Conflicts:
	src/paypal-button.js
Merge pull request #102 from vijay-r/master

Hosted Button Support