Named plugins and keyboard interaction

• Added a way to access plugins using its name
• Added key_press_event and key_release_events
• Added a click to center plugin

Change to plugin access method

v0.0.4

Plugins now are accessible via dictionaries

Public release

v0.0.3

Changes to prepare for packaging and deployment

QGraphicsScene and plugin API

Using QGraphicsScene as the mechanism to display videos and images because of its flexibility and ease of use

Also added a plugin API which allows a user to pick and choose which features they want to include.

Next release will clean up API and make package pip installable

Minimally working release

This release has the minimum features requested by MX beamline scientists at NSLS-II. But will be enhanced and made more flexible in the next version