added runway pattern code from branch shadeRunwayPattern
fixed ASOS linkify, fixed dangling ASOS frequencies in COMM, fixed NONE severity sigmets/airmets.
changed nochart to simple gray. easier to see shapes on it
fixed runway paint issue
delete not works for databases and weather and tfr
fixed a bitmap size issue causing plane to appear of center
release 5.1.0
release 5.1.0
fixed unable to see TAC, fixed Pattern altitude
5.1.1, merged changes from branch preferencetabwork
Merge branch 'master' into shadeRunwayNumbers

Conflicts:
	res/values/strings.xml
	res/xml/preferences.xml
	src/com/ds/avare/LocationView.java