[CB-2504] Documented disallowOverscroll.
[CB-2511] update webos upgrade guide
[CB-571]  iOS Audio updates

Updated the iOS Quirks for play and record
Version 2.5.0rc1
Merge branch 'overscroll' of github.com:mwoghiren/cordova-docs
CB-2515: add lessons learned to the list of pre-reqs
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/cordova-docs