Remove day of week from image metadata Time format

This makes the format used by albums and scripted acquisitions
consnstent with images acquired by the acquisition engine. It also
prevents problems arising from the fact that the day of week is
locale-dependent.

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@13926 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd
Correctly finish dataset on closeAcquisition()

In particular, ensure the JSON in metadata.txt files is correctly
terminated when gui.closeAcquisition() is called, instead of waiting
till the window is closed.

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@13927 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd
Include .swp in .gitignore

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@13928 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd
git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@13929 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd