closes #960
fixes #1780 - My Countries: change to text if user has no followed countries
fixes #1529 - Half of the “loading.../please wait..” gif on the create resource page is hidden behind the upload file button.
                    - also fix 2.3 base template, loading scripts two times
Merge branch 'dev' into arti-sprint-41
fixes #1782 - Dataset Create/Edit & License page: add ODBL
#1547 - Resource Preview: Improve grid preview behavior
           - changed the default number of items to be loaded in preview to be 250
fixes #1752 - Google Analytics: it appears that clicks on gallery items are not tracked
                    - add GA event for when a user clicks the gallery items
#1849 uniquely identifying a top line number based on the "code" column
#1777 Redirect unauthorized download attempt to the login page
#1547 - Resource Preview: Improve grid preview behavior
           - kept focus on the search box after the results are shown so that the backspace issue will no longer be a prooblem
Merge pull request #1852 from OCHA-DAP/arti-sprint-41

Arti sprint 41
Merge pull request #1835 from OCHA-DAP/dev-dan-41

closes #960
Merge pull request #1857 from OCHA-DAP/changes-to-storage-redirect

Pull request: #1777 Redirect unauthorized download attempt to the login page
Merge pull request #1853 from OCHA-DAP/top-line-number-changes

Pull request: #1849 uniquely identifying a top line number based on the "code" column
Merge remote-tracking branch 'origin/prod' into dev
added javascript to prevent double clicks to fix #1479
#1851 about page changes
Merge pull request #1865 from OCHA-DAP/about-page-changes

Pull request for #1851 about page changes
Merge pull request #1866 from OCHA-DAP/marianne-dev

added javascript to prevent double clicks to fix #1479
Changing version number to 0.5.6