PreferenceManager improvements, DashboardUtils

• Add support for values in PreferenceManager that are not persisted across reboots (#83)
• Add support for auto-naming PreferenceManager values (#83)
• Add DashboardUtils (#85)
• Clean up various utilities with regard to null inputs (#84)

Auto-upload build artifacts

No new features. This is just a test release.

Blinken fix

Add missing preset for WHITE (#76)

PreferenceManager, Blinken, AsyncCommand

Finally on our 4th release.

• AsyncCommand for running commands using a Notifier (#73)
• Deprecated AdjustableManager and replaced with PreferenceManager, with new features (#74, fixes #63 and #65)
• RevBlinken wrapper for a Blinken LED controller (#72)
• Internal reorganization into two Gradle projects; this means test robot classes won't show up in the library jar (#75)

PowerManager cleanup and bug fixes

PowerManager cleanup and bug fixes (#71)

Power Management Improvements, StrictDPad

• Massive power management changes (#66, #68, #69, #70)
• Create StrictDPad for better D-Pad control (#64)

Create SimpleButton/SimpleConditionalCommand, RunMotionProfiles tweak

• Create SimpleButton and SimpleConditionalCommand, which allow construction of Buttons and ConditionalCommands with lambda syntax as opposed to creating whole anonymous classes (#53)
• Make RunMotionProfiles.isFinished() public (#61) to work around isCompleted() seeming to not work

Stop motion profile when command is interrupted

RunMotionProfiles now stops motors when canceled (#60)

Fix bug in PidDrive

Fix bug where PidDrive brake processing only used left side (#58)

Change PidDrive scaling implementation

Merge pull request #55 from flamingchickens1540/drive-fix

Change scaling implementation