Sets version to 1.2.0-SNAPSHOT for continued development
Removes unused import.
Adds unit test for SpaceItemWriter.
Adds a single threaded test to the SpaceItemWriterTest.
Resolves https://jira.duraspace.org/browse/DURACHRON-78 :  this commit depends on commit 172bcd74ac5a3cfba3c14ef91ffc7456bc89be17 on the duracloud side.
Updates logback config to work properly with the newer version of logback.
Resolves issue #41ab in https://wiki.duraspace.org/display/DSPINT/Release+3.2.0+Tasks: adds missing restore_id parameter to database creation script.
Updates version to 1.1.2. This version of the snapshot codebase coincides with the DuraCloud 3.2.0 release.