Update .gitignore

* Remove user-specific configuration.
* Update with latest changes to the configuration file and templates.
* Order entries alphabetically.
Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>

.gitignore

-.htaccess
-robots.txt
-*.swp
-web/lib/config.inc
-web/lib/config.inc.php
-*.DS_Store
-web/html/xml/*.xml
+conf/config
 dummy-data.sql*
-web/locale/*/
 po/*.mo
 po/*.po~
 po/POTFILES
+scripts/git-integration/__pycache__/
+scripts/git-integration/templates/
+web/locale/*/