improvements based on feedback
issue 1501 and various improvements on unzipping code, importing
progress messages, fixes on import media bugs - updated according to
feedback2
Merge pull request #37 from iniju/v2.0.1-import-fixes

Import fixes.
Merge pull request #44 from iniju/v2.0.1-left-over-msg

improvements based on feedback
Merge pull request #45 from flerda/v2.0.1-dev

Catch up merge from 2.0.1 into 2.1