Draft: Esd spack installation

• SpackOperation class handles spack installation and spack operations on an environment
• Factory dp for diffrent spack usages (with or without cache)

esd/error_handling/exceptions.py

@@ -14,13 +14,13 @@ class BashCommandException(SpackException):
     """
 
 
-class NoSpackEnvironmentException(SpackException):
+class NoSpackEnvironmentException(BashCommandException):
     """
     To be thrown when an operation on a spack environment is executed without the environment being activated or existent
     """
 
 
-class SpackConcertizeException(SpackException):
+class SpackConcertizeException(BashCommandException):
     """
     To be thrown when the spack concretization step fails
     """