new md5 hash for cuda9.2 files (#398)

* new md5 hash for cuda9.2 files

* print test outputs

* echo in the end

* add env vars

* add pandoc to installed

* download an existing compiled version of lantern

* generate cuda 902 artifacts

* download 9.2 version

* build lantern files

* some test fixes

* remove .run

* rename to .run

* use sudo sh to install

* add definitions for cuda 9.2

* point to this branch

* add cuda9.2 to the matrix

* trigger build

* make shell fail if the check fails

* fix gcd example

* re-document

* fix example

* fix lcm example