fixed #1772,#1774: refactored CULNetworkHandlerImpl,CULSerialHandlerImpl and AbstractCULHandler to avoid copy/paste + provied correct logic for CULNetworkHandlerImpl.
CULHandler now exits cleanly if connection Errors occur
another bug in credit report: regex also covered FS20 requests!
Uniform and easier to read logging pattern
Included line numbers in logging pattern
Removed line number in normal logging and date in debug logging
Merge branch 'master' of https://github.com/openhab/openhab into logging
Merge pull request #1625 from gerrieg/logging

Uniform and easier to read logging pattern
Merge pull request #1575 from gernoteger/CULTransports

CULNetworkHandler: fixed #1772,#1774: refactored CULNetworkHandlerImpl,CULSerialHandlerImpl...