Dorothy2 fully ported to Ruby 1.9.3 #50

Other fixes:
fix screentime

dorothy.yml
 added sandbox's network var (needed by DEM)
 added GeoIP.ISP var

fix dparser
 iconv deprecated
 added GeoIP.ISP
 removed lot of misused classes in DEM
minus fixes
various critical fixes for dparser / dorothive:

DB DDL fixed (it was broken!)
GeoIP method fixed
various fixes
dorothive schema modified (due to compatibility issue with sinatra/RoR):
	samples.hash -> sample.sha256
	traffic_dumps.hash -> traffic_dumps.sha256
updated
added changelog
readme updated
1.9.3 required version
.
Merge branch 'master' of https://github.com/m4rco-/dorothy2