Create configuration_database.rst

Added description of database specific parameters.
Update admin_manual/configuration_database.rst
Create configuration_automation.rst

added description of the automatic configuration file.
Update admin_manual/configuration_automation.rst
Update admin_manual/configuration_automation.rst

fixed internal links.
Update admin_manual/configuration_automation.rst
Merge pull request #44 from houqp/master

add link for ownCloud setup document
Rename Web Server Notes section
removed useless namespace aliasing
Rename Web Server Notes section
Create configuration_logging.rst

added description of logging parameters.
updated api docs
included next and previous links for subpages
added hint for twig url function
Create stub on webinterface.
Fix markup
Merge remote branch 'origin/stable45'
Add images
Merge remote branch 'origin/stable45'
Merge pull request #40 from j-ed/master

documented the database settings and automatic configuration file