Code quality

See merge request dlb/dlb!27

See #114

Resolve "LeWI support for TALP is missing some API calls"

Closes #116

See merge request dlb/dlb!26

Resolve "Impove Monitoring Regions instrumentation"

Closes #130

See merge request dlb/dlb!24

This is needed to instrument the Monitoring Regions and their
registered name as an event description in Extrae.

Fix lit decoding errors

See merge request dlb/dlb!25

Decode each line and replace invalid characters

Resolve "TALP: Re-design the API for obtaining measures from the MPI region"

Closes #132

See merge request dlb/dlb!23

Resolve "MPI detection order fiasco"

Closes #136

See merge request dlb/dlb!22

The provided MPI path needs to take precedence over PATH in both mpirun
and mpiexec lookups.

Resolve "Don't enforce python2"

Closes #135

See merge request dlb/dlb!21