add ubuntu platform
CB-5188:
1. Added amazon-fireos platform.
2. Change to use amazon-fireos as a platform if user agent string contains 'cordova-amazon-fireos'.
added beep funtionality using ms-winsoundevent:Notfication.Default
Merge branch 'dev' of github.com:archananaik/cordova-plugin-dialogs into dev
added ubuntu support
[CB-5565] Updated version and RELEASENOTES.md for release 0.2.4
Merge branch 'dev'
[CB-5565] Incremented plugin version on dev branch.
CB-3762 Change prompt default to empty string
move images from css to img
Merge branch 'master' of github.com:zalun/cordova-plugin-dialogs into dev
Merge branch 'dev' of https://git-wip-us.apache.org/repos/asf/cordova-plugin-dialogs into dev
CB-5658 Delete stale snapshot of plugin docs
CB-5658 Add doc.index.md for Dialogs plugin
CB-5658 Update license comment formatting of doc/index.md
CB-4696 Fix compile error for Xcode 4.5.
CB-5719 Updated version and RELEASENOTES.md for release 0.2.5
CB-5719 Incremented plugin version on dev branch.
Delete stale test/ directory