* OHIF-184: added download icon to the OHIF's tool bar
* OHIF-184: refactor dialog toggle method to support cine dialog and download dialog
* OHIF-184: Added hotKey support for downloadDialog.
* OHIF-184: added disabled verify function
* OHIF-184: Finished form structure. Created preview canvas. Added width and height config of the preview. Added the download feature. Added Cancel button.
* OHIF-184: setting default extension as png
* OHIF-184: moved download icon to more in toolbar
* OHIF-184: enabling/disabling tools when toggling show annotations checkbox
* OHIF-184: using a dynamic canvas to create the download content
* OHIF-184: Download with configurable width and height. download distorced
* OHIF-184: using dynamic elemento to manage download image instead of using the preview element
* OHIF-184: make dialog dragable through preview
* OHIF-184: removing useless line
* OHIF-184: adding download icon to leasion tracker
* OHIF-184: adding download dialog template to lesion tracker viewer
