Merge branch 'master' into LMW-50-ddl-form-element-number

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/DDLForm/elements/DDLElement.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