README now points to the correct location.
The wording in the Introduction has been tweaked a bit.
More Introduction edits.
Merge branch 'edits' into develop

Edited the Introduction to be more good and less bad.
Merge pull request #58 from pharpend/develop

README now points to the correct location of nightly builds.
Merge pull request #61 from benzrf/develop

edits to intro
Egotism!
Merge pull request #62 from benzrf/develop

Egotism!
Merge branch 'develop' of github.com:learnmath/lysa into develop
Add details on intersects and solutions to exercises.
Add notice on dependencies and link on build system.
Add link to dependencies in contrib guide. [ci skip]
Merge pull request #65 from wei2912/readme

Add details on dependencies and link to build system in README
Align text to 80 chars.
Merge pull request #64 from wei2912/chap2-sets

Chapter 2.1: Intuition of a Set