Extend CDB_UserTables to take an optional permission type string

Supported types: private, public, all

Closes #254
Add TODO item about using CDB_TableMetadata
first changes for adding alias for layer view
last changes in alias for layer view
CDB-491 #fixes date filters
Removes duplicated library
Adds a new spec
wip
CDB-726 #resolve Save times in visualizations and synchronizations in local time
more changes in layer view
points added to sync settings option
CDB-723 #fixes Removes right margin in the feed indicator
solving conflicts
pulse animation done
CDB-712 #fixes Replaces the term 'sync' with 'lock' in the legend editor
fixed styles for new cartodb text in embed maps
added help state to dropbox module when file chosen is not public
fixed typo in the text
[importer] Implement ability to load a single layer through ogr2ogr
buttons moved to left and when value changes, moved to right