FK-26 Show different cursors during move and slide

When move action starts, change the body's cursor to move.
When hovering over the image container, change cursor to move.
FK-26 Move image trimmer into module

Image trimmer new resides in a module
FK-26 Further into the modules

Using the application start method to start the app and all its submodules.

Create an application initializer to perform startup tasks.

Add an initializer on the image trimmer module to set up its infrastructure.
FK-26 Build out image trimmer module

Create a layout as the master view for the image trimmer.

Create a new view which will be used to pick different image types.

Create a "here" method which is used to start and place the module in the dom somwehere.
FK-26 Add some events in the module for image

Image trimmer should be controllable from the perspective of the module.
Create some methods at the module level and wire them to events to have them
control the image trimmer.
FK-26 Installed new gems