Actually clear preferences when resetting

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@14398 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd
Increase default sequence buffer size on 64-bit JVM

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@14399 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd
Rename method

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@14400 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd
Make the 'memory not sufficient' warning reflect reality

It had not been updated after the switch from Java arrays to direct byte
buffers for the RAM image storage.

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@14401 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd