Merge pull request #250 from azakus/master

Recursive build for polymer
let "assetpath" attribute modify paths returned by resolvePath()
README: add build status png
test: add karma-ie-launcher
tweak doc generation settings
addresses issue #262
utils should not use methods it's deprecating itself
use new Path api (see #267)
bump version for release
defer all create-time preparation work if we have no defaultView unless forceReady flag is set. Otherwise perform this work at enteredDocument time. This is a stand in for an ownerDocumentChangedCallback.
test: refactor config, add safari
add 'onMutation' (experimental) function to Base
slight refactoring, remove dead code
test must verify success of the repeat
Merge branch 'master' into ready-if-defaultView
slight factoring
black-list some false positives from the custom property map
slight refactoring
Merge branch 'master' into ready-if-defaultView
shouldObserveProperty should check for property value !== undefined