renamed postgre.py into postgres.py, removed starts/ends with overriding in PG adapter
Fix for issue 1996
This bug was caused by appadmin creating unnecessary files in the cache folder.
added space for testing
Merge pull request #528 from ilvalle/pg_rename

renamed postgre.py into postgres.py, removed 2 overriding PG
merged
Merge branch 'leonelcamara-issue_1996_appadmin_cache_disk'