hide google infobox at default, FIX #805
added jinput to retrieve selected venueid of venuecalendar, Fix #802
fix incomplete links, improve calendars (#799, #800)

global (frontend views):
- fix incomplete links (missing "option=com_jem")
calendar related:
- fixed weekcal span in month rows, added <tr css classes
- calendar class robustness, allow caller to give link to day view
- allow styling of things like "today is sunday"
- fix hiding of events (there was an empty box left)
Merge branch 'development' of https://github.com/jemproject/JEM-Project into development
Fix warning in category view (empty subcats, #787 related)
Add text for COM_JEM_EVENT_FULL_NOTICE (Fix #806)
CB Plugins: don't require JEM (Fix #804) + beautify a bit
CB Plugin MyAttendees: count events only once (Fix #798)
Manage menu items on (un)install

- Uninstall: unpublish all JEM frontend menu items
- Install: update component_id on all old JEM frontend menu items
So after reinstallation Admin only needs to publish the menu items.
cb-plugs: revert version, fix attendee string (Fix #807)
set package version to 1.9.8
Merge pull request #808 from jemproject/development

Map, Calendars, CB-Plugins, Package version set to 1.9.8