updated Newtonsoft.Json dependency
Merge branch 'master' of https://github.com/mathieukempe/SiftScienceNet

Conflicts:
	src/packages/Newtonsoft.Json.6.0.4/lib/net20/Newtonsoft.Json.xml
	src/packages/Newtonsoft.Json.6.0.4/lib/net35/Newtonsoft.Json.xml
	src/packages/Newtonsoft.Json.6.0.4/lib/net40/Newtonsoft.Json.xml
	src/packages/Newtonsoft.Json.6.0.4/lib/net45/Newtonsoft.Json.xml
	src/packages/Newtonsoft.Json.6.0.4/lib/netcore45/Newtonsoft.Json.xml
	src/packages/Newtonsoft.Json.6.0.4/lib/portable-net40+sl5+wp80+win8+wpa81/Newtonsoft.Json.xml
	src/packages/Newtonsoft.Json.6.0.4/lib/portable-net45+wp80+win8+wpa81/Newtonsoft.Json.xml
	src/packages/Newtonsoft.Json.6.0.4/tools/install.ps1