fix of localhost cookie related to nginx binding to 0.0.0.0
Implemented rudimental search engine
Fixes to search engine

Changed the search parameter from POST to GET.
Also, adapted the Baggy theme.
Merge pull request #582 from mariroz/fix-session-livetime

fix of localhost cookie related to nginx binding to 0.0.0.0
Finished search engine function

Now searches also in title and in original url
Fix of #580 : Add some random for Windows hosts
Improvements for compatibility_test file

- gettext detection (not default on WAMP) ; part fix of #579
- added colors to make viewing what's wrong better and quicker
(green/orange/red)
- added a link to index.php if it's good
updated german localisation
Merge pull request #585 from kevmeyer/dev

updated german localisation
wallabag a link in wallabag now in default theme, issue #505
Merge pull request #586 from mariroz/wb-link-in-wb

wallabag a link in wallabag now in default theme, issue #505
Fix to bug #570

Forces the download of the data exported file as a poche-export file.
problem with resources and localhost url fix
Merge pull request #587 from mariroz/dev

problem with resources and localhost url fix
Final Fix of #570

Adds a date information to the exported data file.
Improvements to install script

* automatically remove install/ folder
* go easier though the compatibility test <-> install script pages
* Small fixes which raised php warnings
fix of bug with default theme constant
[fix] undefined vars in install script
Merge pull request #588 from mariroz/dev

fix of bug with default theme constant
oops, restore @tcitworld commit. I'm so tired