fix tests for ST2

Merge branch 'master' of github.com:philippotto/Sublime-MultiEditUtils

disable super+alt+r when widgets are shown (fixes philippotto#15)

scroll to cursor if necessary when invoking jump_to_last_region

fix bug which caused CycleThroughRegions to not work with empty regions;

handle edge case in NormalizeRegionEnds

Apparently, empty regions are falsy.
The edge case in NormalizeRegion ends occurs, when no selection is in the
viewport.

resolve keybinding conflict of multi_find_all with replace on Mac (fixes

 philippotto#9)

clean up code; add test and description/gif for multi_find_all-command

clean up code; add test and description/gif for multi_find_all-command

ensure that all features are available via the selection menu

show new cursor-position of normalized region ends (fix philippotto#5)