fixing deprecation warnings with argh

When I run watchmedo, it throws a whole load of deprecation warnings.

Just added the relevant decorator changes to make those go away.
Enable automated testing with Python 3.4
add changelog to manifest template. closes #244
add back working tox script
Merge pull request #246 from frewsxcv/patch-1

Enable automated testing with Python 3.4
change watchmedo logevel to info. (don't print messages from inotify_buffer etc.)
cleanup sub event generation
[inotify] generate sub created events for move to
[inotify] refactor/cosmetics
[inotify] off by one error. last event in buffer not read
[inotify] don't read in_close events.

i'm guessing this 'bug' was related to ee4af8d2de7eb0c08
[win] merge winapi modules
[win] remove unused code
[win] refactor
[win] refactor to similar structure as inotify implementation.

separates low level events from watchdog events/translation layer. adds
wrapper for native events to be used later.
[win] only silence exceptions from io cancel. closes #167
increase sleep time in snapshot tests for windows. mtime seems to have lower resolution here too.
remove unused code
typo
remove unused import