changing some text at oreilly's request
Merge pull request #144 from avleen/introduction

changing some text at oreilly's request
adding rewards paragraph
Fixed some typos in netbooting.rst
Merge pull request #147 from pdaukintis/syntax-fixes

Fixed some typos in netbooting.rst
Merge pull request #146 from avleen/introduction

adding rewards paragraph
toctree needs a blank line before content
Merge pull request #149 from GlenKaukola/master

toctree fix