Matplot storing and viewing

This release contains the following

• Storage of matplots for an experiment
• Viewing matplots for an experiment
• Updated Readme on "how to deploy open source modelchimp for production"

Experiment deletion and enhanced label editing

This release has the following improvements

• Deletion of various experiments
• Editing of labels from the table of experiments

Asset Feature and Optimized Docker

Following are the major in changes in the 0.3.0 release

• Asset Feature: Assets such as images, text and model files can be stored for an experiment along with meta information such metrics or parameters
• Optimized docker configuration: Docoker compose files have been optimized for development, local use and production
• Bug Fixes