LMW-44 Added new element type for radio
LMW-44 Changed creation method to support radio elements
LMW-44 Added new dependency to show radio buttons
LMW-44 Fixed problem when accessing indexPath onChangedElement child method
LMW-44 Fixed tests
LMW-44 Removed duplicated code
LMW-44 Fixed validation code
LMW-44 Removed button's background image
LMW-44 Completed radio button element view for default theme
LMW-44 Added new files to projects
Merge branch 'master' into LMW-44-ddl-form-element-radio

Conflicts:
	ios/Library/Liferay-iOS-Widgets.xcodeproj/project.pbxproj
	ios/Library/Source/Base/BaseWidget+progress.swift
	ios/Library/Source/Base/BaseWidgetView.swift
	ios/Library/Source/DDLForm/DDLFormTableView.swift
	ios/Library/Source/DDLForm/DDLParser.swift
	ios/Library/Source/Login/LoginWidget.swift
	ios/Library/Tests/DDLParser_i18n_Tests.swift
	ios/Samples/Swift/Liferay-iOS-Widgets-Swift-Sample.xcodeproj/project.pbxproj
Merge branch 'master' into LMW-44-ddl-form-element-radio

Conflicts:
	ios/Library/Liferay-iOS-Widgets.xcodeproj/project.pbxproj
	ios/Library/Source/Base/BaseWidgetView.swift
	ios/Library/Source/DDLForm/DDLParser.swift
	ios/Samples/Swift/Liferay-iOS-Widgets-Swift-Sample.xcodeproj/project.pbxproj
Merge branch 'master' into LMW-44-ddl-form-element-radio

Conflicts:
	ios/Library/Source/DDLForm/DDLParser.swift
Merge branch 'LMW-44-ddl-form-element-radio'