Add arethusaUtil.flatten()
Update arethusaUtil.map
Add alias aU for arethusaUtil

In response to #344
Add morph.colorMap();
Add colors for relation labels
Update globalSettingsPanel template
Add global colorizer setting
Add morph and relation as colorizers
Add state and plugins to globalSettings
Step back - we don't need state in globalSettings
Fix addColorizer and add isColorizer in gS
Add globalSettings.applyColorizer()
Make morph play nice with new colorizing approach
More flexibility for arethusaUtil.map()
Call applyColorizer on change in gSPanel
Implement custom animation to slide with ngIf
Use custom sliding for keyboard hotkeys
Fix colorMap implementation in morph
Add dummy colorMap implementation in relation
Add globalSettings to helpPanel