- Added mat-snackbar

- Added mat-toast
- Added xp-pressed-styles
- Added xp-object-behavior
- Added xp-overlay-styles
- Added xp-toast-behavior
- Added xp-toast-styles

- Implemented custom input validation
- Updated all elements to support Polymer 1.1
- Updated mat-settings

- Minor bug fixes

.gitattributes

@@ -0,0 +1,2 @@
+# Set the default behavior, in case people don't have core.autocrlf set.
+* text=auto