Nicer looking UI

The functionality has not changed in this release, but the UI has a nicer look&feel.

New functionalities

• Double sliders instead of single slider
• The attribute for the second slider can be selected
• Multi-select options for filters
• Close button for attribute pane
• Show number of visible nodes

Small fixes

• Default node color is gray instead of black
• Newlines from abstract are removed (for easier importing in excel)
• Unnecessary node attribute 'articles_s' removed

Categorical colors

• Color can also be based on categorical attribute, with a categorical colormap
• A default option 'none' has been added for color, which creates all black (unselected) and green (selected) nodes
• 'community' has been added as an attribute for coloring, filtering and shown on the attribute pane (Possible to create with the latest version of caselawapp, see this commit)
• CSS layout has been modified slightly

Fixed version number

The version number in the package.json and displayed in the application is fixed.

Filter for creator (instantie)

• Filter for creator ('instantie' such as Hoge Raad)
• Title of nodes is now only instantie and year

First official release

This is the first release of the Case Law Analytics network visualization. Current functionality:

• Load a network from a json file as specified in the Readme
• Force Layout and Noverlap layout are applied
• Filter possibilities for 'year', 'rechtsgebied', 'minimum indegree'
• Possibility to filter selected nodes
• Possibility to export filtered nodes
• Node color and size can be based on several (numeric) attribute
• Clicking on a node shows an attribute pane for the node