Various fixes. Also adds audio posts and sidebar links

- CHANGE: Link Color Default

- ADD: Audio Post
- ADD: Some documentation
- ADD: Sidebar links
- ADD: Toggle in case user hides their header image

- REMOVE: Sidebar padding
Add basic video implementation
Removes meta seperator, changes "is the Basis" to "built on Basis"
Merge branch 'posts/video'
Indentation tweaks
Answer posts have been implemented (untested)
Closes answer block
Tweaks the output a bit, adds some style.
Fixes up styles, makes asks a bit bigger
Merge branch 'posts/answer'