Change upon jsdoc-amddcl/pull/23 and more cleanup.
add messages to assertion to make error intelligeable
Add supported browsers list to README.
Update Intern configuration: OSX supported Safari version is >=7.
Unit test cleanup. #123 was not a bug (affected browser is not supported), no need to fix it.
Intern configuration: use OSX 10.9 instead of 10.8
Fix #132: SidePane: When calling 2x the open method, the returned promise is never resolved
SidePane to extend DisplayContainer
make sure the promise correctly return with the value from
DisplayContainer