Infertrade

Feature change log:

- adds Golden cross strategy
- adds position limitations: max investment size, short selling limit, daily max loss strategy exit

Dev change log:

- Conda installation walkthrough
- performance calculation fix
- additional unit tests

Change log:

- fixed for package outpublishing

Change log:

- bugfix for setup.py

Change log:

- new cleaning options for makefile
- updated Linux installation guide
- fix for package requirements

Change log:

- update installation information
- added MANIFEST.in to add requirements.txt to builds
- test fixes

Change log:

- bug fix for missing import.