add ubuntu platform
CB-5188:
Added amazon-fireos platform.
Change to use amazon-fireos as a platform if the user agent string contains 'cordova-amazon-fireos'
CB-5124 - Remove splashscreen config.xml values from iOS Configuration Docs, move to plugin docs
Merge branch 'dev' of github.com:archananaik/cordova-plugin-splashscreen into dev
added ubuntu support
[CB-5565] Updated version and RELEASENOTES.md for release 0.2.5