Merge pull request #19 from RethinkRobotics/release-0.7.0

Release 0.7.0
Joint Position Waypoints Example Program

Simple example program showcasing simple point to point motions.
Should be simplest example to get the arm moving quickly and accurately.
added link from gripper.type_changed to check_calibration
catkin_lint

Adds components keyword to package
make cuff control example react to new on_type_changed signal
update navigator example for new wheel_moved signal

Now prints the increment as well as the value
Merge pull request #21 from RethinkRobotics/catkin_lint

catkin_lint
moved button signals outside of if statement
added _is_grippable function
fixed pep8 issue
shortened debug statement
Enforce SDK-Robot SW version checks for all Exs

Corresponding changes to new version check call in RobotEnable
of baxter_interface. Will fail on version mismatch for all
'standard' Rethink programs, but default value otherwise is False.

See baxter_interface commit for more information.
Enforce gripper version check on electric for Exs

All examples now default to enforcing a gripper version check
on electric grippers. Corresponds to new version check addition in
baxter_interface.
Updates per review #22

Pep8 cleanup.
Merge pull request #22 from RethinkRobotics/cuff_calibrate

Cuff calibrate
Updates per review #23

Import ordering
Merge pull request #23 from RethinkRobotics/version_checks

Enforce SDK-Robot SW version checks for all Exs
Updates per review #20

Breaks out record and playback functions.
Eliminates button press callback race.
Logging, docstring cleanup.
Merge pull request #20 from RethinkRobotics/joint_position_waypoints_example

Joint Position Waypoints Example Program
1.0.0 Version Bump
Fix ROS remapping-compatible argparse method
Add initial calibration warning to gripper_cuff

Warns the user if calibration fails when the gripper_cuff_control
example first starts up. Future calibrations will not warn.
Also corresponds to gripper signal bug, but no changes here needed.