Merge pull request #57 from rhauck/gh-pages

Updates & additions to reftest documentation
Reviewed and updated review-process.md, added lightweight review checklist (from the csswg wiki), minor change to lighten up the unique test title constraint
Review docs/migration-process.md.
Review CLA process doc.
fixed some typos
added sources for the review-related changes
remove Grant of License
Merge pull request #62 from rhauck/cla-changes

remove Grant of License
Merge pull request #60 from tobie/docs-review

Docs review
folded reftest-main-tutorial into the main refests.md and removed it as a separate page, added a bit more info to the reftest documentation, lots of small edits and formatting fixes to the other docs
added dzenana's reftest example to sources
changed title of SVG example test
incorporated Tobie's feedback
updates for github-101.md
Merge pull request #64 from rhauck/reftest-tutorial

Many updates to reftest documentation
Merge pull request #61 from rhauck/review-process

Review process document
add test repos section, fix typos and links
remove subtopic language
tweak branch example
Merge pull request #65 from lmclister/lmclister/testtwf-website/issue58git-doc

Updates and additions to the github 101 doc