Patch from Matthew Milford to fix issue with software trigger mode not firing TTLs.  Also fixed some compiler warnings. 
Patch from Matthew Milford to fix issue with software trigger mode not firing TTLs.  Also fixed some compiler warnings. 

git-svn-id: 03a8048b5ee8463be5048a3801110fb50f378627@10476 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd

kmdouglass/Micro-Manager,kmdouglass/Micro-Manager