Merge pull request #5 from qgis/manual_en_v2.0

pulling from qgis
Merge pull request #6 from qgis/manual_en_v2.0

Manual en v2.0
Updates to 7.3 and 7.4
Merge pull request #202 from egonzale/manual_en_v2.0

Updates to 7.3 and 7.4