Merge pull request #1 from danluu/fix_0.2_fail

Remove 0.2 build from travis config
trying to fix travis test failures due to not having FactCheck
Merge branch 'master' of https://github.com/astrieanna/TypeCheck.jl
Improved check_method_calls by improving my type inference of SymbolNodes
silence undefined warning
Thesis 1/3 complete
added ipython convert --to latex output