Merge pull request #16 from john30/master

remove absolute offsets, many enhancements
command 'feed' moved from ebusctl into ebusfeed;tools directory created.
class Appl: changed command from required to not-required.
ebusctl: interactive mode added.
fix interactive mode.
README, NEWS and ChangeLog adapted.
modify serial device settings instead of using empty template; check if serial fd is a valid terminal
BusLoop::analyseCycData: check of input data for validity implemented.
BusLoop::analyseCycData: improved.
revert: modify serial device settings instead of using empty template.
Issue 17: Fix a problem with 'AM_PROG_AR' in Automake below Version 1.11.2
Merge pull request #18 from john30/master; first version supporting get, set, and cyc again.
cleanup after merge of pull request #18.
Merge branch 'master' of git://github.com/yuhu-/ebusd

Conflicts:
	src/ebusctl/ebusctl.cpp
	src/ebusd/Makefile.am
	src/ebusd/baseloop.cpp
	src/ebusd/baseloop.h
	src/ebusd/bushandler.cpp
	src/ebusd/bushandler.h
	src/lib/ebus/message.cpp
	src/lib/ebus/message.h
	src/lib/ebus/port.cpp
	src/lib/ebus/symbol.cpp
	src/lib/ebus/symbol.h
	src/lib/ebus/test/test_data.cpp
	src/lib/ebus/test/test_message.cpp