add ubuntu platform
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
[CB-5565] Incremented plugin version on dev branch.
Handle error when splash image is missing.

From pull request:
https://github.com/apache/cordova-plugin-splashscreen/pull/1
CB-5658 Delete stale snapshot of plugin docs
CB-5658 Add doc.index.md for Splashscreen plugin
CB-5658 Update license comment formatting of doc/index.md
CB-5719 Updated version and RELEASENOTES.md for release 0.2.6
Merge remote-tracking branch 'cordova/master' into dev