Differentiate first/second/last for each day of week: Bug #736282

Gendered languages may need to differentiate the ordinal string
depending on the day of week.
Finnish translation update by Jiri Grönroos
Updated Polish translation
Updated Hebrew translation
Updated Hebrew translation
Updated Hebrew translation
Updated Swedish translation
Updated Brazilian Portuguese translation
I18n month string problem: Bug #736743

Although a string change, this fixes an out-and-out bug in displaying
the string in the UI.
Application help: Bug #732302

F1 help for California.  Quick Add section can be accessed from the
help button on the Quick Add popover.
Add yelp-tools to debian/control
Translate "day %d" (i.e. "on day 3"): Bug #736952

Overlooked marking string for translation.
Indicate with cursor when hovering over hot spot: Bug #731635

This moves Month.Grid entirely onto the Toolkit.EventConnectors
by using MotionConnector for both hot spot detection as well as
selection dragging.
Merge branch 'master' into wip/730602-stack