Split workflows + docker usage (#31)

* Split workflows + docker usage

* Fix omnitrace-ci-ubuntu-focal-external

* fix env

* Update path to action

* fix entrypoint

* Updated cancelling, disabled formatting

* fix entrypoint

* rework

* try using container

* relocate container

* fix image name

* shell expand

* external and external-rocm

* install libopenmpi-dev

* remove github.workspace

* github.workspace for rocm

* Update bionic, etc. + docker CI

* Remove self-hosted + bionic fix

* GIT_DISCOVERY_ACROSS_FILESYSTEM for bionic

* TIMEMORY_INSTALL_LIBRARIES + exe RPATH updates

- fix RPATH for omnitrace, omnitrace-avail, and omnitrace-critical-trace

* ubuntu bionic update

* bionic and focal-dyninst-package updates

* Disable lulesh MPI by default + timeouts

- increase openmp CG timeout
- decrease openmp CG runtime

examples/openmp/CG/cg.cpp

@@ -155,7 +155,9 @@ main(int /*argc*/, char** /*argv*/)
     double  t, mflops, tmax;
     char    class_npb;
     boolean verified;
-    double  zeta_verify_value, epsilon, err;
+    double  zeta_verify_value = 0.0;
+    double  epsilon           = 0.0;
+    double  err               = 0.0;
 
     char* t_names[T_LAST];