Proposed commit log message:
devel/ipython: Update to 6.5.0 - devel/ipython is now tracking 6.x mainline - Previous version of ipython (5.x series) moved to devel/ipython5 - It is based on pure Python 3.3+ codebase - Supports latest Python 3.7 - Remove GCC dependency since it now builds with CLANG More information about new features as well as backward incompatible changes [1] [1] https://ipython.readthedocs.io/en/stable/whatsnew/version6.html #Reviewed by: koobs, mat Approved by: koobs (python) #Differential Revision: D16508