CDB-3822 removes WMS layer name
CDB-3827 adds simple url option in the share dialog
Merge pull request #674 from CartoDB/CDB-3823

CDB-3822 removes WMS layer name
Merge pull request #675 from CartoDB/CDB-3827

CDB-3827 adds simple url option in the share dialog
Merge branch 'master' into CDB-3685