Update README.md

Merge branch 'pipsipm-vartypesgms' into 'pipsipm'

unfix ..

fix last time

fix another time

fix script

add run script for simple_mip

add interface to callback tree and problem - contains additional vector for now - not used

add simple-mip examples and a simple bash script extracting splitting and runnning the examples

Merge branch 'pipsipm' into pipsipm-vartypesgms

remove unused thridpartylibs

update README

Add pardiso folders to git repo by default

fix mc30 requirement for building pips

remove bgp