Updating module to work off messages structure

This way we can benefit from the create report structure already there
Merge branch 'master' of https://github.com/ditorelo/Ushahidi-SocialMedia

Conflicts:
	libraries/socialmedia_install.php
	models/socialmedia_message.php
	models/socialmedia_message_data.php
Testing, admin views and report creation

Updating plugin admin section and report creation functions. Getting there!