Fixed bug #110 related to countries list on user editor after pagination
Bug fixed #115: country filter on user filtering updated after DAO upgrade.
- Added a bootstrap typeahead on user filter for country, working on both country name and iso3 name
- Added "Apply filter" button color changes in filtering: gray=no filter, blue= filtering
Merge branch 'refactor' of git@github.com:geosolutions-it/fra2015 into refactor

Conflicts:
	server/services-impl/src/main/java/it/geosolutions/fra2015/services/UserServiceImpl.java
Issue #101
User admin: pagination controls
minor fix in related tables on one rule
Merge branch 'refactor' of github.com:geosolutions-it/fra2015 into refactor