Updated paper-shadow
Added ng-polymer-elements to allow basic databinding between polymer components and Angular

Added ActivityTypes and ProductGroups factories
Refactored index.html to use the  new factories
Corrected references to posts when objects are actually ActivityRecords
Draft Single Activity display for Edit
Implemented accessory functions to get objects related to the selected activity
Small UI fixes
Merge branch 'feature/material_design' of https://github.com/maiera/gde-app into feature/material_design
Merge branch 'feature/material_design' of https://github.com/maiera/gde-app into feature/material_design
Import paper-checkbox
Smaller paper-checkbox size
Added paper-button to create a new activity (TODO: change it to a FAB)
Fixed apiData to activity Object mapping of post_date
Added EditMode scope variable to reuse the SingleActivity dialog for edit and insert
Added Product Groups and ActivityTypes dialog for selection
Reorganized functions and methods inside the myStatistics controller
UI fixes
UI fixes and better disposition
Added initial Edit of ActivityLink
Hide Activity Metadata part because still not implemented
Removed unused factory from the controller
Added array cleaning on getActivitiesFromGAE
Controller Array Update on save
Save Activity Implementation
Various Small fixes
Merge remote-tracking branch 'maiera/feature/material_design' into feature/material_design

Conflicts:
	index.html
Merge branch 'feature/material_design' of https://github.com/maiera/gde-app into feature/material_design
Hide the nav drawer when a menu button is used and the main view is changed
Edit/Insert Activity UI fixes
- Use core-scroll-header to keep title visible even after activity detail implementation
- Reorganized spaces inside the dialog
- Reorganized layout with polymer layout attributes
- Created class paper-dialog.tall to set height 90% and keep it after the dialog is toggled closed and opened again
Merge pull request #68 from SmokyBob/feature/material_design

UI Improvements