Fixes for Issue #154
Added organism field to bioactivity model, added target and organism to bioactivity list display
Added list filters for Targets and External Assays
Added Resource Subtype, added ordering to resource, added verbose names to fields in resource models
Added resource subtype to adminconfig
Added custom forms for resources, added resource subtype admin
Added resource subtype field to resource type admin, added readonly resource subtype to resource admin
Added list display orders to resource type and subtype
Fixed spelling error in resource type admin
Merge pull request #155 from UPDDI/Issue-#154

Merge Fixes for Issue #154
Merge pull request #158 from UPDDI/Issue-#144

Merge Fixes for Issue #144
Merge pull request #157 from UPDDI/Issue-#156

Merge Fixes for Issue #156
Latest migrations for Prody
Fixes for Issue #162
Merge pull request #164 from UPDDI/Issue-#162

Fixes for Issue #162
Catch dictionary key exceptions in assays request handlers
Assays Migration 0016
Resources Migrations 0001
Clean up gitignore rules
Change print statements to logging system compatible output