alternative IPython installation via pip

new pip install section with IPython example
- extract from
  https://github.com/wheeler-microfluidics/microdrop_portable_python_base/blob/microdrop/2.7/modules.nsh
correction alternative IPython installation

ipython pip installation needs an unique index description
Merge branch 'master' into robot

Conflicts:
	2.7/settings.bat
successfull robotframework installation via pip

including robotframework-selenium2library and robotframework-ride
wxpython installation changed for RIDE
- instead of 2.9.4.0 version 2.8.12.1 UniCode is used