Inchoate deflate and gzip support for org.openhab.io.net.http.HTTPUtils.

Solves a problem with some shabby http servers that do not care about the "Accepted-Encodings" header and simply send gzip. It could be developed futher to tell the server about the accepted encoding.
Bugfix which solves a conflict between CV and REST binding where one
BroadcasterCache setting overwrites the other
Removed very unessesary logging
Fixed using a zone's status text instead of int value in a ALL message, removed unused value.
KNX : fixed bug regarding double usage of datapoints in Item definition
+ Added support for DPT 7.001
fixed unit test
Merge pull request #1157 from digitaldan/omnilink-cleanup

Omnilink cleanup
Merge pull request #1155 from dpslavov/master

Issue #1129, edge detection should be set only on input pins.
Merge pull request #1146 from the78mole/master

Inchoate deflate and gzip support for org.openhab.io.net.http.HTTPUtils.
Merge pull request #1167 from kgoderis/knx

KNX : fixed bug regarding double usage of datapoints in Item definition + DPT 7.001
added omnilink binding to distribution archive
Merge pull request #1154 from peuter/master

Bugfix which solves a conflict between CV and REST binding
fixed unit test again
added freeswitch to the distribution pom, added deb build to omnilink, cleaned up formatting
Merge pull request #1170 from digitaldan/build-changes

added freeswitch to the distribution pom, added deb build to omnilink.