DKAN 1.14.2 Release notes

• #2359 Upgrade filefield_sources to 1.11
• #2341 Modifies curl settings so url headers and info can be properly acquired with curl
• #2370 Patch features to add new line after <?php
• #2346 Updated Help page; can add your company to listing
• Remove out-dated owners.md file
• #2345 Site Manager Monthly Maintenance checklist
• #2347 Moving the “Adding New Content” page to main admin doc tree
• #2321 Update @resource_all_09 scenario
• #2327 Add results count to dkan admin views
• #2337 Pin sphinx to 1.5.6
• #2332 Remove redundant debug output