[CB-4724] fixed UriFormatException

fixed UriFormatException & InvalidOperationException
add ubuntu platform
CB-5188:
Added amazon-fireos platform.
Change to use amazon-fireos as the platform if user agent string contains 'cordova-amazon-fireos'
Added ubuntu support
CB-3420 WP feature hidden=yes implemented
Merge branch 'dev' of https://git-wip-us.apache.org/repos/asf/cordova-plugin-inappbrowser into dev
Remove merge conflict tag
Merge branch 'dev' of https://github.com/Yangtb/cordova-plugin-inappbrowser into dev
Merge branch 'dev' of https://git-wip-us.apache.org/repos/asf/cordova-plugin-inappbrowser into dev
[CB-5565] Updated version and RELEASENOTES.md for release 0.2.5