Replaced apache-commons-logging by sl4f because of known problems with
classloaders
Extracted common things between SOS and SPS capabilities into SWES
capabilities class
Removed all references to AbstractRequestReader, DateTimeFormat and
FESUtils static methods
Changes caused by refactoring of sweCommon package in lib-swe-common
Improvements to generic OWS capabilities handling and factorization of
some SWES capabilities stuff common to SOS and SPS
Switched to Java 1.7
Initial support for SPS capabilities read/write, with proper test (no
support for WS-Notification section yet)
Switched to Java 1.7 in POM