fixed problems with cargo deploy

downgrading of postgresql-jdbc driver (from 9.3-1101-jdbc41 to
9.2-1004-jdbc41) -> should increase minex speed

tomcat instance (if cfg.clientPrefix is set in configuration)

moving some properties (belonging to cargo) to gradle.properties file

(version can be set by gradle now. e.g. "./gradlew
-PprojectVersion=0.2.3 clean daily")

adding boneCP dependency

implemented with jackson

eclipse-wtp plugin is sufficient)

not keeping binary results anymore)

activating tests in gradle build
added coverage plugin for gradle
fixed problems with Configuration
renamed configuration subclasses
fixed problems in Database class

added jsHint task

Using jackson framework for JSON creation/parsing (and validation)
Finally fixed problems with geoserver configuration (using deticated
workspace)