LB-446: SMS source plugin
* filtering of posts by allowed sources of a given source type
LB-446: SMS source plugin
* adjusted: to avoid mismatches after merging from aap
Merge branch 'devel' into sms-filtering-devel

Conflicts:
	plugins/livedesk/livedesk/impl/blog.py
SMS filtering
* merge fix
Merge pull request #166 from msat-cont/sms-filtering-devel

LB-446: SMS source plugin