bump ABS version to 4.4.0
refresh idea config files (they should not be changed afterwards)
Merge remote-tracking branch 'flytrace/master'

Conflicts:
	.idea/misc.xml
	GPSLogger/project.properties
fix merge
bump version
fix #4 "split prefs in 2 groups: advanced/simple"
prefs with key ending by "_advanvedP" will endup in "advanced" prefs. THese prefs are hidden from pref screen in 'simple' mode
ditch single point logging
simplify even more pref screen by moving loging details to advanced preferences
first part of refactoring (more to be done)
Introduce location buffer
remove dep on google service
move min SDK from 7 to 8
upgrade async-http lib (1.4.1 -> 1.4.4)
upgrade ABS lib (4.2.0 -> 4.4.0)
publish new release
change IOException ctor to stay compatible with sdk 8 (froyo)
fix typo in nearly dead code
bump version number
bump version, bug fix in livetrack24, simple tweak in igc logger
Merge branch 'master' of https://github.com/Peter2121/gpslogger
bug fix #9 "livetrack24 bad ending"
simple race cond between location in the buffer and the end packet.
Stop sending packets when 'STOP' has been hit. We should wait for the buffer to be empty before sending the END packet...
initial gradle + travis-ci files
move to gradle++ (create new project from scratch and then reinject GPSLogger files. Previous migration did not work so well for Intelij)