* Move Billing/Bandwidth Graphs to common format, extract data generation to central function
* Add API functions to access billing graphs and graph data
* Scrutinizer fixes
* Fix transfer graphs with from/to
* Scrutinizer Fix
* Fix docs, transfer page and missing from API param
* Document and fix reducefactor, Add Graph Stats to Graph Data
* Standardise times in graphdata
* Fixed renamed function for History GraphData
* docs: Continue to reorganize things
Make landing pages for /Installation, /API, etc.
Split API out into multiple docs
Properly use multi-level navigation
Add lower nav buttons (tops are bug so disable for now)
Add logo for fanciness
Refine index page a bit
* Improve API TOC layout
* Couple of fixes.
* Fix API/API-Docs, assumed it was at the right url.