added a couple of fixes

* added max_import_loops limiter
* added geo data
* fixed possible wrong facebook link
* encode html entities, otherwise html was excecutable (needs to be
done for all other mods, too)
small fix for missing self::
Merge pull request #47 from nonsenz/master

small fix for missing self::
added more checks and logging for Opengraph-Reader when trying to fetch remote content. this should fix #42.
small fix for missing self::

i wonder why that worked anyways?
Merge pull request #48 from nonsenz/master

this should fix #42. added more checks and logging for Opengraph-Reader when..
added album import and cosmetic fixes
added optional handling of image array to attach to post
simplified twitter embed/content

no point in putting the tweet in a blockquote or stating the twitterers
name (it /me) or stating the date or the backlink. it’s all in the
post’s meta data:
author, link, date
basically the tweet is striped down to the bare content. which makes
sense for one’s own tweets.
* Fixed facebook mod's indentation and removed spurious tags.
Merge pull request #50 from muesli/master

Fixed facebook mod's indentation and removed spurious tags.
* Use WordPress scheduler to trigger updates.
* React to forced syncs again.
* Fixed syntax.
* Properly use wp hooks.
 Use custom reclaim schedule.
* Recreate schedule on admin requests.
* Create schedule outside of reclaim class.
* Fixed syntax.
* Fixed interval.