Add stuff to NEWS, close #111
Further paramaterize LinConstraint stuff
use parameter in JuMPDict abstract type
Merge branch 'master' of github.com:JuliaOpt/JuMP.jl
Fix nasty bug with JuMPDict printing
refactor SOS printing
explicit check for integer variables in SOS constraints; update SOS docs
API restructure
Merge branch 'master' into nlp