On googleauth login, redirect user to the page they were previously on

This is hacked up because of the way we render the login screen, but
it works.
Merge pull request #32 from midasplatform/oauth-redirect-to-same-page

On googleauth login, redirect user to the page they were previously on
Fix thumbnailcreator breakage resulting from refactor
Merge pull request #35 from midasplatform/fix-thumbnailcreator

Fix thumbnailcreator breakage resulting from refactor
Fix failing white space style test
STYLE: one 's' too many
Merge pull request #37 from midasplatform/fix-failing-style-test

Fix failing white space style test
Merge remote-tracking branch 'origin/master' into tracker-multibranch-plotting
Address QA feedback