Jason Key May 05, 2019:  remove powerPC and IRIX [2e1fe6a]
Jason Key February 01, 2019:  update OS range for Mac OS X / MacOS [0d3b3e7]
Jason Key December 11, 2017:  misc cleanup [48eb40d]
Jason Key December 11, 2017:  link fixes on installation_overview [9484df9]
Jason Key December 11, 2017:  installation overview - cleanup and clarify, add new links [3420659]
Jason Key October 12, 2017:  Add some TOC to the tops of the longer pages [82d2a7c]
Jason Key October 11, 2017:  fix for post-biogrids number of applications [72d51b1]
Jason Key October 11, 2017:  declutter [83e6af5]
Jason Key April 27, 2017:  more minor formatting changes [b023a39]
Jason Key April 27, 2017:  minor tweaks [e611b2a]
Jason Key April 27, 2017:  cleanup and re-org, added intro page for installation types [d211245]