Updated readme with new setup information

Merge pull request #12 from UBC-OpenRobotics/update_pipenv

switched to pipenv for better pakcage control

Update setup.md with pyenv install info

Merge pull request #11 from UBC-OpenRobotics/ikfast_and_testing_refactor

skipped deprecated test cases

created ik fast plugin for ob1_arm urdf, refactored ik solvers into subdirectory,test case changes

readme and code docs changes

readme and code docs changes

refactored moveit config packages into one sub directory, and added back the old configuration to keep track of it (5dof configuration).

created python packages for arm_commander, and util in ob1_arm_control rospkg, refactored pytest test cases, added new fixtures and conftest.py and pytest.ini for test/fixture configurations. Reconstructed main.urdf with latest main.xacro

Merge pull request #10 from UBC-OpenRobotics/ik_solver_testing

fixed unpack error for allclose unit test case

refactored and added better comments to test cases, ran joint, position, and pose tests to confirm that the 6th joint improves planning success rate, and ran pick sphere tests

merge ik solver testing with main