Fixing several issues in datasets item
Fixes #1610
Merge pull request #1612 from CartoDB/issue-1609

Fixing several issues in datasets item
Merge branch 'master' into issue-1610
short and description within map card shorter
Merge pull request #1614 from CartoDB/issue-1610

Reviewed map card
#1615 removal of field, rake and check
Merge pull request #1617 from CartoDB/issue-1615

Remove ghost_tables_enabled user flag
Remove validation for router model

Also remove necessary router model attrs set on creation, will be upon
router.eanbleAfterMainView anyway
Merge pull request #1619 from CartoDB/1613-fix-pagination-on-pageload

Render new-dashboard pagination according to current page route
Merge branch 'master' into issue-1440
#1440 Added filtering by size or row_count