Better declarations of copy methods
Renamed get/setSelectedComponent() method to get/setSelectedItem()
Replaced apache-commons-logging by sl4f because of known problems with
classloaders
Removed static methods from DateTimeFormat and removed all references to
them
Switched to Java 1.7
Renamed sweCommon package to swe
Added methods to ResponsibleParty class to check if ContactInfo and
Address are set
Fixed 2 remaining bugs caused by refactoring in 3 last commits
Added support for GML LineString and Polygon
Switched to Java 1.7 in POM
Added proper support for writing ISO time periods with all calendar
units