Changed select of database so to convert app to SPA

Select database dialog changed, all communication with server is through
XHRs now and only one view exists at application.
Added statusbar that displays selected db into toolbar, fixed stylus task

Added import of `nib` at stylus task. Added statusbar to the end of
toolbar. Statusbar displaysname and version of selected db  .
Fixed table dialog for a new table

Fixed listen for columns change at table dialog if created new empty
table.