Merge pull request #234 from travisbrown/master

Major overhaul to accommodate new Shared Canvas manifest generation process
testing
Merge pull request #235 from ecdenlinger/master

testing
trying again with e3-0008. -- Charlie
There were no changes necessary on this page -- ecd
Merge pull request #237 from ecdenlinger/master

There were no changes necessary on this page -- ecd
Merge pull request #236 from charlescarter/master

trying again with e3-0008. -- Charlie
first pass e2-0020 djb
Merge pull request #238 from SGA-Brookshire/master

first pass e2-0020 djb
first pass e2 21, 22, 26 djb
Merge pull request #239 from SGA-Brookshire/master

first pass e2 21, 22, 26 djb
Messy one-off conversion stuff I'm preserving for future reference.
Merge branch 'master' of github.com:umd-mith/sga
Added explicit handshifts at the beginning of each notebook.