Added the new/updated content marker to all the views where it makes sense.
Merge pull request #3 from dsnopek/has-new-content-field

Added the new/updated content marker to all the views where it makes sense.
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Merge branch '7.x-2.x' of github.com:phase2/oa_events into 7.x-2.x
Update date_ical with latest dev and patch
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Merge pull request #4 from blatin/7.x-2.x

Change message type description
Issue #2171967 by Argus: "Add to calendar" text not translatable .