closing connection with Assert

Change-Id: Ied2701eeb5dba9f5b4a230456683aaaad2d870e3
Documentation

Change-Id: Id6c4368f8a318817ec45c7ef68e1cd10061adca7
writable directory/file check
setup default logger values

Change-Id: I84648c11aef815f9a163244538fe7735d6715741
Documentation

Change-Id: Ie367c1302ad09d73db937367322ab5307dd6f3f9
Class Doc

Change-Id: I55cdfb3c9b0d51bbf76227dd0ccba50a95048298