Implemented timer and refresh_on_start watcher settings.

timer: set timer = <seconds> in the watcher to make the NalaApplication refresh every <seconds> seconds.
refresh_on_start: set refresh_on_start = true in the watcher to make the NalaApplication refresh on alan-watcher's start.
1.0.2
Merge branch 'master' into debian
1.0.2-1
Updated gitignore.
Merge branch 'master' into debian