Update indexer.php

Reduce the verbosity in the owncloud.log (and save a little bit of time) by skipping the extractMetadata() logic when dealing with directories
Proper link to personal page
Fix Undefined index: isGrouped
Fix Strict Standards notice
Merge pull request #1459 from owncloud/fix-1458

Fix 1458
Merge pull request #1451 from owncloud/notify-fixes

Proper link to personal page
Slideshow is now stopped by default

Fixes #1460
use link_to_docs function to hook up proper links for oc6
Now clearing timeout when slideshow is closed
Merge pull request #1461 from owncloud/slideshow-stoppedbydefault

Slideshow is now stopped by default
Fixed "unsaved changes" message

Fixes #1400
Added unsaved warning when closing tab / navigating away
Close editor when the user navigates away

(Quick) Fixes #1403
fix path for galleryDir by appending user determined in constructor
call the non static member method via  instead of self.
Make create method private. It requires a correct initialization of the object and relies on object state.
Slideshow opened from files view now loads images from gallery

When opening the slideshow from the files view, the image URL is
converted into a gallery URL. This makes sure it uses the cache and
correctly rotated imaged.

Previously it was using the download URL.

Fixes #1462
search_lucene, add missing index, fix string escape sequence, minor whitespace changes
fixes #1382 for stable5

Conflicts:
	search_lucene/lib/indexer.php
Thumbnails and picture albums now appear more smoothly
Move openid 3rdparty files to app 3rdparty folder