Tidied up Notes section of docstring in goes_get_chianti_em() in goes.py. Also added working examples in docstrings of goes_get_chianti_em() and goes_chianti_tem(), both in goes.py.
Tidied up Notes section of docstring in goes_get_chianti_em() in goes.py.
Also added working examples in docstrings of goes_get_chianti_em() and
goes_chianti_tem(), both in goes.py.

Alex-Ian-Hamilton/sunpy,dpshelio/sunpy,dpshelio/sunpy,Alex-Ian-Hamilton/sunpy,dpshelio/sunpy,Alex-Ian-Hamilton/sunpy