Allow setting label and placeholder y padding in TextField and TextView

* Instead of floatingLabelYPadding setting placeholder y padding, it now sets padding for the floating label.
* placeholderYPadding now sets padding for placeholder.
Merge pull request #64 from b-raines/add-y-padding-to-floating-label

Allow setting label and placeholder y padding in TextField and TextView
Fix usage of NSNumber instead of CGFloat for padding properties
Experimental travis-ci support
Sharing build scheme
Changing scheme name
Updating .travis.yml settings
Fix textView's bug when assigned

textView’s floating label not well when assigned
Update .gitignore
Merge pull request #69 from victorjiang/master

Fix textView's bug when assigned
Ensure text is crisp by rounding frame to integer values
Added support for specifying a placeholder text color on text views
Demonstrating placeholder text color customization
code formatting
cleanup
Lock float label to top in text views that scroll
Resolving conflicts in pull request #55 from josebama:placeholderViewFix
Merge branch 'josebama-placeholderViewFix'
Update licenses
Adding shields to README