refactor (all): remove general and component directories, add models and services directories, add to src/common

Move button and chrome from app/components to app/dashboardView
Move app/general/services to app/services
Move models to a new module and into an app/models directory
Move constants from app/general/services to app/
Move utilities, compareurl, localstorage, iwcConnectedClient, and ellipticalFilter to src/common

Closes #186
Merge pull request #239 from ozone-development/issue-186-cleanup

refactor (all): remove general and component directories, add models and...