rest wip
Docs
Merge branch 'master' into rest

Conflicts:
	apps/mcweb/src/mcweb_app.erl
	apps/mcweb/src/mcweb_rest_thread.erl
Resource for post, preview function
Test fixes
User input HTML safe, thumbnail always jpeg
url fix for markup
ip_to_integer fix
First post No2 fix
Merge branch 'rest' of github.com:kvakvs/macaba into rest
Merge branch 'master' of github.com:kvakvs/macaba