Merge branch 'uidev' into uidev-dashboard
new widget prototype added
new widget prototype 2 added
ondragbox event supports
the widget can drag & drop across the tab
tab mouseover interaction updated
fixed a bug about overflow box on resize. when box which is last one is closed, full drop zone will be rendered.
tab contents is lazy-loaded
the dashboard can save changes of preset on modify/resize. replaced to new code
is_embedded flag supports
added code for migration
getObject return droppable, dragHandler property
grid/chart directive added
dashboard global timer added
getResult eventHandler, registering timeline trap removed. modification for angular 1.2.x  added.
global logger prototype added
fixed a bug on query-input at adding widget window
resize widget on resize box. wordcloud added. global timer bug fixed. input-query at creating widget bug fixed.
save presets when move widget across tabs
changed WallPreset model applied to javascript

tab close button (not working yet) added