Merge pull request #5 from bentleyo/master

Avoid ParcelableArrayList and support URI for file
Added alias `openDraft` to the `open` interface.
Set version for next dev cycle
Initial preparations for WP8 support
Added missing file.
Missing <br>
Fix missing comma.
Added WP8 email compose task without support for html encoding and attachments.
Added notes about quirks under Android and WP8.
Added note about deprecated `callback` property.
Release v0.6.0
Set version for next dev cycle.
The callback function is only supported as iOS specific function.
Removed callback support.
Code snippets und Doku angepasst.
WP8 now compatible with upcomming v0.7.0 changes.
IOS support for upcomming v0.7.0 changes.
Logik in mehrere Methoden aufgesplitted.
Android support for upcomming v0.7.0 changes.
Note about bugfix in wp8