Update ProTip on Installation page in docs to point to all the info about Pygments and the 'highlight' tag. Fixes #1196.
Merge branch 'master' of github.com:mojombo/jekyll

* 'master' of github.com:mojombo/jekyll:
  Update history to reflect merge of #1191
  Update history to reflect merge of #1151
  Moving Quick-start guide to own section
  Remove extra parentheses and swapped regex back
  Combined two features into one
Update history to reflect fixing of #1196.