Add coveralls stats
Update US translations

Signed-off-by: Thanh Ha <thanh.ha@alumni.carleton.ca>
Update resources

Signed-off-by: Thanh Ha <thanh.ha@alumni.carleton.ca>
Remove systray popup message

Signed-off-by: Thanh Ha <thanh.ha@alumni.carleton.ca>
Fix #386 Added Free Space to the idle message

- The idle message now also has the hard drives free space
- Both instances of "Free Space" are now called using the same reusable
string
- “Elapsed time” is now also a reusable string
- The "idle", "ready", and "recording" states now all have a free space
counter
- The pause state was left alone in regards to the counter

Fix #386
Fix #388
Make status location in status bar consistent
Update link to online documentation
Add initial multimedia unit tests

Signed-off-by: Thanh Ha <thanh.ha@alumni.carleton.ca>