* hotfix/ros_imu_timestamp:
fix(ros): ros error enum error
fix: 14.04 complie error
feat(doc): supported set address for 2100
feat(src): supported set iic address for s2100
fix(ros): fixed bug of imu align for part of device
# Conflicts:
# wrappers/ros/src/mynt_eye_ros_wrapper/src/wrapper_nodelet.cc