Restructing for GenRangeCon and QuadCon
Port QuadExpr, incl. refactoring
Attempt to get Windows working
AffExpr to new format, big refactor of AffExpr printing
JuMPContainer(Var) refactor
SOSConstraint and ConstraintRef
Model printing
Tweaks based on Coveralls
Single variable printing
JuMPContainer(Float)
Fix AppVeyor build
Squish down code into final form
Remove show, bit more coverage
Merge pull request #250 from JuliaOpt/cleanerprint

Refactoring of printing to re-use more code between IJulia and REPL