Advanced workbook consolidation and fixes
Fix typo in "Refspecs"
Dollar signs indicate the prompt before Git instructions
Merge pull request #102 from github/update-workbooks-advanced

Advanced workbook consolidation and fixes
Move paths of all deck slides to match new class structure
Strip tag namespacing from all Advanced deck slides

Simplify the tag naming used in building decks by chapter name by
keeping with only chapter name. This follows the pattern established
in the Foundations (now Intermediate) deck chapters.