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Merge pull request #21 from owncloud/fix-unmaintained-libraries-because-destroyer-of-releases-is-to-lazy-to-implement-it-on-its-own

Fix unmaintained libraries because destroyer of releases is to lazy to implement it on its own
Fix call to getRouter()

Without this the PHP error log gets filled with:

```
[Tue Apr 15 20:16:54 2014] [error] [client 192.168.122.29] PHP Fatal error:  Call to undefined method OC::getRouter() in /var/www/core/apps-external/search_lucene/lib/lucene.php on line 289
```
Merge pull request #24 from owncloud/fix-ro

Fix call to getRouter()
Remove webroot
Merge pull request #25 from owncloud/fix-webroot

Remove webroot
fix last search_lucene fixes for php-fpm
adding travis-ci support - first step if pure php lint
Merge pull request #27 from owncloud/add-travis-ci

adding travis-ci support - first step if pure php lint
move getUnindexed from Indexer to Status class
update search_lucene to use new jobs api
- uses batch updates because filesystem hooks don't provide file ids
- also refactored most of the static access code to new & instance method calls
fix indexing via cron
increase version to 0.6.0 to indicate new background scanning approach
readd doIndexFile as a deprecated method to prevent errors in case old jobs are still in the jobqueue