holding for v0.7
only wait for response on energy usage
Merge branch '0.6.7' into 0.7

Conflicts:
	lib/lightwaverf.rb
	lightwaverf.gemspec
debug + fix summarise
more debug
comment
stop trying to delta the timestamps;
new graphs that do not try to delta timestamps
write new style config from lightwavehost update
graph smoothage
tidy if statements, add device type to config
fix configure, it should not rely on existing config
updated sample config
last minute 0.7 fixes
Merge branch '0.7'

Conflicts:
	README.md