DOC: Update shortcuts map
ENH: Add Image Comments tag as a default tag for MR images
BUG: Vertices of a polygonal shutter were generated wrongly because coordinates are defined as (row, column) instead of (x, y). Ticket #2100.
DOC: Fix typo.
ENH: Update 0.12.2 publish date.
ENH: Version and build ID update (0.12.2, 2014120200)