updated goals+prereqs for guide-cypher-basics, updated section titles
Section caps for guide-data-modeling.adoc
example/readme: added header, goals, pre-reqs, and some very light edititng
spellcheck of examples/*, no real editing
guide-clustering-neo4j.adoc: some punctuation
guide-performance-tuning.adoc updating pre-reqs and goals
guide-sizing-and-hardware-calculator.adoc: cleaned up goals n pre-reqs
graph-database.adoc: updated goals and pre-reqs
gists-and-examples.adoc updated goals, prereqs
guide-data-visualization.adoc edited pre-reqs and goals
guide-intro-to-import.adoc edited TOC
guide-neo4j-browser.adoc edited pre-reqs and goals
Merge pull request #20 from whatSocks/goals-n-prereqs

Goals n prereqs