TOOLSDOC-390: Ready core docs for 7.1 (*lots* of renaming due to docs process change)
TOOLSDOC-389: Install Guide - typo in figure title
TOOLSDOC-392: Install Guide - added build from source & scripted to appendix
TOOLSDOC-388: Install, Migration, GSG - updated 7.0 refs to 7.1
TOOLSDOC-353: Install & Migration guides - edited text about upgrading