reorgnize imports to remove reference to common.session

see commit 3f6ace6569f0bed9ce4fcc648eb04a3b0f258c17
reorganize imports to remove references to common.session

see commit 3f6ace6569f0bed9ce4fcc648eb04a3b0f258c17
to avoid side effects using config, each entry point of the applictaion
MUST instanciate a config object with the correct config file
before importing any mobyle module.
Merge branch 'feature_organize_imports' into develop