Moved C++ comments from source files to headers (#1111)

Also sorted functions in C++ sources to match order in related headers.

wpilibc/src/main/native/cpp/Commands/TimedCommand.cpp

@@ -9,23 +9,9 @@
 
 using namespace frc;
 
-/**
- * Creates a new TimedCommand with the given name and timeout.
- *
- * @param name    the name of the command
- * @param timeout the time (in seconds) before this command "times out"
- */
 TimedCommand::TimedCommand(const wpi::Twine& name, double timeout)
     : Command(name, timeout) {}
 
-/**
- * Creates a new WaitCommand with the given timeout.
- *
- * @param timeout the time (in seconds) before this command "times out"
- */
 TimedCommand::TimedCommand(double timeout) : Command(timeout) {}
 
-/**
- * Ends command when timed out.
- */
 bool TimedCommand::IsFinished() { return IsTimedOut(); }