Merge pull request #2 from ros-industrial/master

Pulling in changes from upstream (ros-i version)
latest changes as of friday afternoon
manually fixed merge issues
Merge branch 'master' of https://github.com/drchrislewis/industrial_calibration

Conflicts:
	industrial_extrinsic_cal/include/industrial_extrinsic_cal/basic_types.h
	industrial_extrinsic_cal/src/calibration_job.cpp
added temp files to gitignore
Merge branch 'master' of https://github.com/ros-industrial/industrial_calibration
added a new executable for the boeing proposal. comment out to compile without src.
new src file for boeing proposal. do not review
Merge branch 'master' of https://github.com/ros-industrial/industrial_calibration

Conflicts:
	industrial_extrinsic_cal/src/calibration_job.cpp
Added utest.cpp for gtest. Empty structure for now.
Added 3 functions to split load function into a load function for each type of input file.
Made some methods/functions private instead of public. Didn't delete anything within load yet, just commented out.
Corrected spelling. Changed some info streams to debug streams.
Changed function being called because runObservations is not private.
created a bunch of function calls instead of repeating code.
This change is for the boeing proposal simulation.
commiting changes so that Christina can grab test code pieces
Commented out ROS_INFO_STREAMs or changed to ROS_DEBUG_STREAMs.
Merge remote-tracking branch 'upstream/master' into caljob_optimizer
Fixed a small but important bug -
at Camera constructor with three inputs, the camera parameters were not being initialized to the correct parameters.
Added yaml-cpp library linking to test_ros_camera_obs.cpp.
Enabled output of observations from test_ros_camera_obs via yaml.
Added/changed values to reflect lab setup (asus sensors withi 11x11 checkerboard).
updated license year.
Made observation list private (and added _) and created private extrinsics variable.
May not be used (extrinsics_). Generated getters for some private members. Enabled/uncommented ceres::Solve.