old tense didn't make sense. Corrected
"information" appears twice in a row. I changed the first one for "data"
The osm website map + and - buttons are now on the right, not left. "on in" is a typo ("in") deleted
Add key tunnel

Not only a bridge but also a tunnel can resolve the error.
walking papers -> field papers
Merge branch 'gh-pages' of https://github.com/ravilacoya/learnosm into ravilacoya-gh-pages

Conflicts:
	_posts/en/beginner/0200-12-28-start-josm.md
Merge branch 'ravilacoya-gh-pages' into gh-pages
Merge branch 'phsprint_mobilemapping' of https://github.com/maning/learnosm into maning-phsprint_mobilemapping
some spelling and grammar edits
Merge branch 'maning-phsprint_mobilemapping' into gh-pages
Merge pull request #205 from Cyrille37/patch-1

Add key tunnel
Merge pull request #206 from gasp/patch-1

walking papers -> field papers
new chapter on reviewing OSM data; specificaly designed for use in Open Cities projects
Merge pull request #208 from jeffhaack/gh-pages

new chapter on reviewing OSM data
changing title of new review osm page
Merge pull request #209 from jeffhaack/gh-pages

changing title of new review osm page