improve Sphinx installation instructions
Merge pull request #241 from jeunito/docs

improve Sphinx installation instructions
ipv6 initial
split sentences to individual lines
use pronoun here instead
Add style guide link to readme
capitalize internet
Merge pull request #242 from jeunito/ipv6

add entry for IPv6
create a section to routing and subdivide into static and dynamic
add logrotate section
make corrections
routing introduction
add IS-IS and EIGRP
Make nasty list in to a neat table

Nasty list wasn't too easy to read; tablifying it looks better.
Merge pull request #244 from ajlanghorn/fix-dns101

Make nasty list in to a neat table
more formatting corrections, change logrotate homepage and rewrite section on file name quoting to make it obvious.
Merge pull request #243 from ttousai/logrot

add logrotate section
cleanup
static routing
enumerate in a numbered list