buttoncell not selectable on disable
Merge pull request #87 from mobiquity-networks/button_disabled

buttoncell not selectable on disable
XLFormRowDescriptorTypeInfo row added. 
Update example app showing the new row type.
Merge branch 'master' of github.com:xmartlabs/XLForm
Merge pull request #92 from xmartlabs/infoRow

XLFormRowDescriptorTypeInfo row added.
Added XLFormValidator, base clase for validators, it performs XLFormValidatorProtocol.
+emailValidator convenience method added. It returns a XLFormRegexValidator instance set up accordingly. 
Email validator is shown in Text Fields example.
Merge branch 'master' of github.com:xmartlabs/XLForm into emailValidatorConvenienceMethod
Merge pull request #93 from xmartlabs/emailValidatorConvenienceMethod

Email validator convenience method