#315 removing HDX_ROOT parameter

replacing with HDX_FOLDER
Merge pull request #316 from OCHA-DAP/configuration-change

Pull req: #315 removing HDX_ROOT parameter
#315 adding postgres jdbc library to pom.xml
Merge pull request #317 from OCHA-DAP/configuration-change

Pull request: #315 adding postgres jdbc library to pom.xml
Changing version number to 0.5.7
Merge pull request #318 from OCHA-DAP/dev

Pull request for merging dev into master for version 0.5.7
#319 fixing problem with update modified values

- problem was caused by updatable = false in @Column annotation
- also added the updated column to the import report
changing version number to 0.5.8
Changing version number to 0.5.9 to match HDX-CKAN release
Merge pull request #320 from OCHA-DAP/hotfix-update-values

PUll request: Hotfix update values
Merge pull request #321 from OCHA-DAP/dev

Pull request for merging dev into master for version 0.5.9
Merge remote-tracking branch 'origin/master' into push_to_ckan_298