Persistent provider logging level = SEVERE

Change-Id: I74c61c448f6e25d599e0245059ccb260f7e06824
Signed-off-by: Roozbeh Farahbod <roozbeh.farahbod@sap.com>
Reformatting configuration source files

Change-Id: Id096d60ce26efb0adade2f93dbf9314022d2867e
Signed-off-by: Roozbeh Farahbod <roozbeh.farahbod@sap.com>
Logger config will not be reapplied unless forced

See:
- IConfiguration.applyLoggerConfiguration()
- Configuration.configureLogger(boolean)

Change-Id: Idabf46a6ad22eac99d70250323622dbcb50439cd
Signed-off-by: Roozbeh Farahbod <roozbeh.farahbod@sap.com>
Merge pull request #71 from roozbehf/master

Changes to configuration and persistence logging