Workaround for: [Errno 13] Access denied (insufficient permissions). Only search for relevant devices, dont enumerate everything in /dev/bus/usb
Stop intervaltrigger when timing is set to zero
Merge remote-tracking branch 'upstream/master'
Gui segfaults repetably (randomly in how far it progressed) when progressbar is updated from a python thread, use Qt event loop instead
Delete redundant is_ptp check, as pointed out by jbaiter
Forgot to declare a signal on OutputPage class
Change test to be a little more smart in regards to simulate system devices
dummy: Cache page files in config directory
Merge branch 'master' of github.com:mumme74/spreads into mumme74-master
Stylistic fixes (PEP8, spelling)
Merge branch 'mumme74-master'