Adds basic functionality for overview tree
Adds OverviewTreePanel to package
Adds working tree and detail panel population
Adds additional detail panel features
Fixes merge issues
adds tree working stuff it's awesome
checks if the user created the selected session.
Added call to GetSessionController.getInstance, within paint component to fix issue where sessions were not retrieved
Cleans up the updatePanel method
Implements the working overview tree in the overview panel
Merge branch 'theteam8s' of https://github.com/TheTeam8s/wpi-suite into feature-overviewDetailPanel
Makes the buttons visible for Perry's enjoyment
Merge pull request #98 from TheTeam8s/feature-overviewDetailPanel

Feature overview detail panel
Start refactoring code based on CodePro violations