Merge pull request #9 from VDVsx/master

Start messageserver5 for Qt5 version.
Add nesting level role to folder list model
Merge pull request #11 from kananoja/master

[nemo-qml-plugin-email] Add nesting level role to folder list model
[nemo-qml-plugin-email] Add nesting level role to folder list model.

Update spec file and commit to be picked by the bot.
[nemo-qml-plugin-email] Fix inverted Q_ASSERT.