Ophyd fork is not installed with packaged instrbuilder via pip

[lucask07]

The instrbuilder requirements.txt file lists:

git+https://github.com/lucask07/ophyd@master#egg=ophyd

But this doesn't work and the master pip version of ophyd is installed.

After installation of instrbuilder via pip need to run the following pip commands to get the ophyd fork:

python -m pip uninstall ophyd
python -m pip install git+https://github.com/lucask07/ophyd@master#egg=ophyd

To test if the correct ophyd fork that supports Bluesky and Instrbuilder integration:

from ophyd.ee_instruments import generate_ophyd_obj

The import will only work if the ophyd fork is installed.

[lucask07]

I believe this is not possible with a PyPi package:
pypa/pip#4187 (comment)

Will:

1. remove ophyd from requirements.txt, which eliminates the need for the uninstall step
2. add try/except clauses to ophyd imports which print the instructions to install the ophyd fork