[CB-2682] [CB-2683] add prompt dialog to Notification API for WP
add ubuntu platform
added beep funtionality using ms-winsoundevent:Notfication.Default
[CB-5565] Updated version and RELEASENOTES.md for release 0.2.4
[CB-5565] Incremented plugin version on dev branch.
CB-3762 Change prompt default to empty string
move images from css to img
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
FFOS description added
no need to recreate the manifest.webapp file after each `cordova prepare`
fixing index + prompt response
CB-5980 Updated version and RELEASENOTES.md for release 0.2.6
CB-5980 Incremented plugin version on dev branch.
Add NOTICE file