Merge pull request #136 from jeffhaack/gh-pages

Removed unused section links and fixed page height
opening paragraph and link to mailing list

The mailing list hasn't been used in ages, but if we link to it more, maybe it will be
Merge pull request #137 from jeffhaack/gh-pages

add linux instructions into gps drivers
Update 0200-12-31-beginner.md

Clarify sentences, remove subtle grammar error.
Merge pull request #142 from jeffhaack/gh-pages

New Data Section and some cleanup
Merge pull request #141 from tilmanb/patch-1

Update 0200-12-31-beginner.md
Merge pull request #143 from jeffhaack/gh-pages

Add Osmosis Chapter
Merge pull request #144 from jeffhaack/gh-pages

New Chapter on using OSM data in QGIS 2.0
files for data review docuement