Add a script that migrates the base layer names

Address #493
(cherry picked from commit 7479dd6a1b193fe3609cf901268e921cc784eed9)
Update the script to use a bulk update
(cherry picked from commit 538615e879cf0d16a41052853322cc5c97d494ee)
Update the json field so the GeoExplorer gets the correct title for
the base layers
(cherry picked from commit 0ab0027288c11ff335b378cf0375cc40f3d49d43)
Add sharethis on every page
(cherry picked from commit 8360c8d7d73b654939509478634b424e077804ae)
fix text elements widths in map/layer, refs #470

this also cleans up the inconsistent width on the metadata elements
(cherry picked from commit 8ab2dda8c2910e62195ec3f6b99e6688e6e2fd17)
implement video ordering, refs #455
(cherry picked from commit 2c41c98616ee3da969c1b1eee664da699f80a3c7)
topic change feedback, refs #513
(cherry picked from commit 05f80d7f8934896541b78a7b3458ee28d96ef494)
Display first and last name if available refs #612
(cherry picked from commit 6da26b0ba42b6d1ba886504c279047bcc720b1a3)
Fix settings reference in context_processors
(cherry picked from commit f47cdebd9beb3900c235f4ee698e3bda5515d7c0)
Add description tag to the open graph meta tags
(cherry picked from commit a0702874705f3b33767514673f8e9a3e5b4b99e9)
redirect old signup view to new
(cherry picked from commit c30605924d84b12dc46521f08631d6818d58c003)
profile form - email to top and required
(cherry picked from commit e66e0fd0f3a4b3aa97199f15e085c3dc20496553)
make activity tag return blank
(cherry picked from commit 027e633406452cea8fa5eb3fd311ce35006dead7)
fix broken test from e66e0fd0
(cherry picked from commit 741f05144de43275238eb0eee7069377358d8f35)
paginate activity stream on storyteller page, #429

will help make room for media ribbon and other links
(cherry picked from commit d751373b22f5c99a5b5f3e4eed4793e0def2e088)
extract resource menu to tag, prepare for #463
(cherry picked from commit 994c540b9ecf7cbd4d57e83ef6cadf80e3fa373c)
Adjust the height of the storyteller, fix sign up link
(cherry picked from commit 1919b64825bd6224dff474d7c9cea9dfd78062f0)
fix copy edit on robert tomes thoughts
(cherry picked from commit d4de61bfa4cf62fb4eaf7b98423447aeda052ed9)
fix some manual link ids
(cherry picked from commit cdc1adeb8d42b8e6b2ceb625294341294a158423)
fix for #636 - clear form fields on type change
(cherry picked from commit 41fadbc895127b7028483ecb4e8bbc7f3f8c8af9)