[TASK] Add changelog and versioning

CHANGELOG

+CHANGELOG
+=========
+
+3.0.0-dev
+---------
+
+  -
+
+2.3.0
+-----
+
+  - [TASK]    Add changelog and versioning
+  - [IMP]     Allow setting of remote path through config
+  - [FEATURE] Add possibility to overwrite remote path
+  - [FEATURE] Add possibility to sync to any flow context
+  - [TASK]    Adjust to mariadb change on dockerflow project
+  - Revert    Change to internal dockerflow project
+  - [TASK]    Switch to use internal dockerflow dependency
+  - [TASK]    Use file name instead file content for the master
+  - [TASK]    Initial import