[Diff since v0.4.0](v0.4.0...v0.4.2)

**Closed issues:**
- Switch MathProgBase for MathOptInterface.jl (#16)
- Incorrect MinCut result (#27)

**Merged pull requests:**
- fix travis (#36) (@matbesancon)
- Travis fix (#37) (@matbesancon)
- Jump bump (#39) (@matbesancon)
- Use sparse matrix in push_relabel (#42) (@eddieschoute)
- Replace travis and appveyor with github ci (#45) (@simonschoelly)
- Add GitHub ci (#46) (@simonschoelly)
- Add compat helper and tag bot (#47) (@simonschoelly)
- Bump to version 0.4.2 (#48) (@simonschoelly)

fix conflicts

update documenter to 1.0 (#25)

Added fixes for Julia 1.0 (#19)

* added fixes for Julia 1.0

* changed .travis.yml to julia version 0.7, 1.0 and nightly

* updated appveyor script

* added using InteractiveUtils so versioninfo() can still be used

* replaced content of appveyor.yml with new version from README

* forgot to uncomment a line

* changed indentation

* added using Pkg to appveyor script

* added second using Pkg to appveyor.yml

* changed Clp requirement in test to v0.5

* changed Clp requirement in test to v0.5

fix deprecs, specify version (#14)

Mincut (#11)

* added mincut + tests

* added doc

Mathprog (#8)

* added mincost func

* added default solver

* added tests for mincost, export function

* default sink and source, circulation tests

* changed LP solver, added doc, conservation tests

* added mincost docs

* replace JuMP with basic MathProg

* removed JuMP from require

* changed mincost signature, removing default GLPK solver

* moved required solver to tests

* remove GLPK dep

* newline

Mathprog (#5)

* added mincost func

* added default solver

* added tests for mincost, export function

* default sink and source, circulation tests

* changed LP solver, added doc, conservation tests

* added mincost docs

* replace JuMP with basic MathProg

* removed JuMP from require

added mincost in readme

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