updated single post nav style
cleaned up settings page
delete since not needed with new templates
sort menu, sidebar list, and docs category archives by custom chosen order
add option for sort order, asc or desc
new option to not load font awesome again
use singleton class. Fixes #18
option to change docs slug. Fixes #13
edit header
Do NOT list each single post. Fixes #16
load style in footer and only when needed. Fixes #25
updated changelog