Tidy up - Rename Base

Some Python class and packages need to be renamed
for a better compliance with the shared terminology
which provides a better understanding of Watcher
objects and components by every contributor.

This patchset add missing Base in class name

Partially implements: blueprint glossary-related-refactoring

Change-Id: I95a3e41fbd5fcd90a99d81c9cf278940f50c7732

watcher/decision_engine/solution/base.py

@@ -21,7 +21,7 @@ import six
 
 
 @six.add_metaclass(abc.ABCMeta)
-class Solution(object):
+class BaseSolution(object):
     def __init__(self):
         self._origin = None
         self._model = None

watcher/decision_engine/solution/default.py

@@ -17,12 +17,12 @@
 # limitations under the License.
 #
 from oslo_log import log
-from watcher.decision_engine.solution.base import Solution
+from watcher.decision_engine.solution.base import BaseSolution
 
 LOG = log.getLogger(__name__)
 
 
-class DefaultSolution(Solution):
+class DefaultSolution(BaseSolution):
     def __init__(self):
         """The DefaultSolution class store a set of actions generated by a
         strategy in order to achieve the goal.

watcher/decision_engine/solution/solution_comparator.py

@@ -21,7 +21,7 @@ import six
 
 
 @six.add_metaclass(abc.ABCMeta)
-class Solution(object):
+class BaseSolutionComparator(object):
     @abc.abstractmethod
     def compare(self, sol1, sol2):
         raise NotImplementedError(

watcher/decision_engine/solution/solution_evaluator.py

@@ -21,7 +21,7 @@ import six
 
 
 @six.add_metaclass(abc.ABCMeta)
-class SolutionEvaluator(object):
+class BaseSolutionEvaluator(object):
     @abc.abstractmethod
     def evaluate(self, solution):
         raise NotImplementedError(