Add gravatar function for requesting photos

Also some leftover changes that I did not make
More notification() goodness
Merge branch 'master' into develop
Return minified files to unminified states
Fix fonts in Themizer, random stuff
Extend MCP priviledges to moderators
Censor user emails
Assign user level 4 to Database moderators
Fix broken Try-It reference
Fix broken links
Remove redundant functions
Fix development checkbox in Try-It
Merge branch 'hotfix/Typo-Changes' into develop
Merge branch 'develop' into 2.0.1
Fix unread topics bug

\#28 on Trello
Fix links in error pages
Fix notifications
Minify CSS/JS
Merge pull request #21 from Deeg-Kim/2.0.1