v0.3

• fix height and scrolling of left panel on "new timelapse" page. Thanks Flypig (David Llewellyn-Jones) for the fix.
• store timelapse metadata (even name) to json file. It fixes timelapse model when name contains slash. Thanks Flypig for report
• improve timelapse model updates (don't reset whole model on every change)
• show phone and camera battery level during capturing
• show camera shutter speed during capturing
• update Czech translation