add first draft of command line parsing
typos in command line parsing
Fix url in command line parsing
Fix url in command line parsing
Spelling
Add keyword sample
Add parse argument to index
Update parse-command-line-arguments.asciidoc

typo
Add basic twitter status update recipe
Add response output from twitter
Add discussion
Fix typos
Fix typos
Adds basic 'conventions' doc to top-level of project
Updates CONTRIBUTING.md to refer to conventions.asciidoc
Revises tracing recipe for style and new conventions
Merge pull request #131 from jcromartie/conventions

Adds basic 'conventions' doc to top-level of project
Merge #126
Copy editing of a few recipes on maps and sets

Most of these changes are for conciceness and clarity. The net effect
is fewer lines with more examples.
Merge remote-tracking branch 'upstream/master'