Added config.xml docs for preferences
Mirror BlackBerry 10 Configuration to edge.
Link BlackBerry 10 Configuration in edge and 3.0.0.
Update BlackBerry10 Configuration code tags.
Removed config.xml docs for 3.0.0.

- kept docs in edge
- changed preference popBlocker to popupBlocker
CB-4353: Updating documentation
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/cordova-docs