Bump polymer version
0.2.2
Readme updates to explain installation
Add banner in Readme
Merge pull request #38 from mateusortiz/master

Add banner in Readme
Add application scaffold as default task
Merge pull request #48 from robdodson/app-scaffold

Add application scaffold as default task
Auto generate imports in elements.html
Merge pull request #49 from robdodson/auto-elements

Auto generate imports in elements.html
Update readme to mention polymer:el adds an import
Release v0.3.0.