Fixed duplicate entries of tag names due space
Fixed space issues with tag name
Added missing column in create_tables.sql
Retained social media setting
Merge branch 'fixes' of https://github.com/emmanuelluna/PearlBee into fixes

Conflicts:
	lib/PearlBee/Admin/Post.pm
Merge pull request #25 from emmanuelluna/fixes

Fixes to tag name issues; fix on DB schema file