started walkthrough docs
fixed code block
added numpy installation issue solution
added six installation error solution
changed code to pre
added images for walkthrough
added pictures
added finishing tutorial sentence, need to test images
converted install_requires >= to ==
put images in their own dir
added curationTool walkthrough
fixed issue with misnamed class
WIP: started mergeTool walkthrough
Update README.md

added links to tool READMEs
fixed typos
Merge branch 'master' into docs

Conflicts:
	README.md
	setup.py
only top-level bolded now