Merge pull request #174 from ODM2/development

Merge development into master to issue new 0.72 release. See #165

Merge pull request #154 from ODM2/release/0.7.1

Release/0.7.1

Merge pull request #142 from ODM2/development

Preparing for release 0.7, merging development to master

Merge pull request #72 from ocefpaf/remove_geoalchemy_dep

Remove geoalchemy dep

Merge pull request #78 from ODM2/renameObject

Rename Reference Object

update version number

Merge pull request #68 from ODM2/fixqueries

Fixqueries

Merge Pull request #61 from ODM2/Dev1_0

resolve issues #60, #50, #36, #34, #33, #32, #29

add ipython notebook