use events instead of properties for _menu action events_
add missing OPENED_VIEW_SITE tracking
fix #2086
Merge pull request #2092 from wordpress-mobile/issue/2080-sitemenu-replace-properties-by-events

fix #2080 replace properties by events for menu action tracking
Merge pull request #2093 from wordpress-mobile/issue/2086-npe-commentsactivity

fix #2086
Merge branch 'release/3.5' into develop
Merge branch 'develop' of github.com:wordpress-mobile/WordPress-Android into develop