various rearrangements and tweaks
mac watcher: fix race condition where the same repo may be triggered multiple times. closes #1083
mac: clean up
mac: clean up
setup: delete old slides images and tweak size of slide 3 on mac
linux statusicon: add back extra separator
linux setup: adjust size of slide 3
linux about: make updates label better distinguishable
setup: prevent a crash when moving the link code file
invite: add better error handling
statusicon: fix some cases where the status text doesn't update
invite: clean up and handle errors better
linux setup: clean up
linux setup: clean up
about: simplify UI events
windows statusicon: fix submenu item clicks
windows: fix build
linux: fix build
windows: tweak tutorial slide size
windows setup: tweak positions of tutorial slides