Major revision release candidate: 3.0.0

[celskeggs]

Release of CCRE with API 3.0.0. Changes are since prerelease 3.0.0-pre1.

Major changes:
* Rename DriverImpls to Drive and drop "Drive" from method names
* Expand new-style documentation significantly
* Extract setup-mode EventOutputs as CancelOutputs

Minor changes:
* Add single-parameter motor creators to FRC
* Add FloatIO accumulate & friends
* Rename static BooleanOutput.onChange to BooleanOutput.polarize
* Made FloatOutput.filter work consistently with BooleanOutput.filter
* Add waitUntilNot with timeout for symmetry with waitUntil
* Change default value of subscribed FloatInputs to start at NaN
* Collapse various duplicate transformation methods to use each other
* #90: Remove HALControlWord
* Made InstinctMultiModule final
* Clean up miscellaneous code

Bugfixes:
* Fix handling of infinities by motors
* Fix edge case of onChangeBy
* Fix timing issue in PauseTimer unit test
* Fix float inspecificity in testing utilities
* Fix lack of error information during setRoots in Deployment Engine
* Fix occasional error silencing bug in testing utilities
* Fix miscellaneous documentation typos
* Fix CI integration issues

[celskeggs]

Steps:

Travis CI takes care of checking license headers and unit tests. It also should upload the PoultryInspector binary for the final release.

• x Check Javadoc completion
• x Reformat CCRE
• x Compile changelog and buglog
• x Test code on roboRIO
• x Test emulator
• Test serialization of everything in the Poultry Inspector: FAILED: see #101. Bugfix deferred until 3.0.1
• x Regenerate Javadoc & update Javadoc site (./update-javadoc-site.sh)
• FOR NEXT TIME: Update version numbers in documentation, including links.
• FOR NEXT TIME: Regenerate Scribble docs & update site (./build.sh upload)
• x Update version.properties
• x Tag and sign release
• x Upload release
• x Check GitHub release once Travis CI finished - it should have PoultryInspector.jar attached.
• x Merge pull request
• x Move incomplete issues to next milestone
• x Update milestones
• x Merge any remaining changes into later branches
• x Post on ChiefDelphi
• x Update version.properties to a development tag