Basic db structure and viewing user blogs
Added viewing blog posts
Users can now add new posts
Users can now add new blogs
Clean up
Added transactions to db helper and one of blog helper methods
Changed viewing pages
Started on blog search
Added viewing posts
Finished searching through posts
Clean up and finishing touches
Added missing references
Merge branch 'blog'
Merge branch 'master' of https://github.com/kingaM/SocialNetwork

Conflicts:
	scripts/create_tables.sql
	www/router.php