Increase VM memory size.

Required by Haystack and Solr.
Extracted Solr host and port into variables.
Download and install Apache Solr and Voikko.

Also disables the default Solr console logging. Further logging configuration
can be put in the configuration file template.
Upstart script to start Apache Solr automatically.
Formatting: split long lines.
Conditional starting of Solr.
Wait until Solr is ready, then index all the documents if the index is empty.
Merge pull request #9 from tituomin/search-role

Ansible: add a search role, which installs Apache Solr and the Finnish language libraries and dictionaries.
Fix missing closing tag.
Merge pull request #10 from tituomin/master

Fix missing closing tag.
Ansible provisioning: correctly check that all dictionaries are installed. ~
Ansible: simpler way to ensure Solr is restarted/started with new config.
Ansible: use service module for Solr.
Merge pull request #11 from tituomin/master

Ansible: check that all dictionaries are installed, simpler Solr restart task.
Issue geometries displayed on a map in the issue details view.
Extracted zoom level to variable.
Leaflet icon configuration will not be compressed.
Map position moved below labels.

Rationale: map attribution text and labels were visually cluttered.
Improved CoffeeScript style and formatting.
Rearranged map position for visual clarity. Made map attribution text
optional.