Merge pull request #89 from SrNetoChan/master

QGIS_browser and Working_with_projections screenshots for user manual 2.0
fix link
Merge branch 'master' of github.com:qgis/QGIS-Documentation
updated Options General
Merge branch 'master' of github.com:qgis/QGIS-Documentation
Update README.rst
fixed documentation url's
added radiobutton
Marked up inline code in repo readme.
Merge pull request #96 from SrNetoChan/master

A few "working with vectors" new screenshots
Merge from 21.6.13
described new tabs in options dialog
updated the options dialog
reviewed gentle gis introduction
Merge pull request #93 from chrisberkhout/master

Marked up inline code in repo readme
finished options dialog, some questions left
started adapting the chapter to the new styl tab
changed order of sections in style tab
link fix
worked on style tab