adjust metadata.txt and __init__.py files …
initial i18n support
use resource file for images
use QDesktopServices to open help files
more translatable strings and cleanup
fix authors file
fix encoding related bugs in writer class …
review Sum Line Length tool, add number of lines to output (implement #4712)
review Point in polygons tool
review Mean coordinates tool
review Distance matrix tool
review Line intersections tool
review and fix unique values tool
review Nearest neighbour tool
refactor basic statistics tool
review Export geometry info tool, sync with master
review Polygon centroids tool
review Delaunay tool
review Voronoi tool
review Simplify geometries tool
review Multi to single and Single to multi tools
review Lines to polygons and Polygons to lines tools
review Extract nodes tool
[FEATURE] add Densify geometries tool to SEXTANTE
review Random selection and Random selection within subsets
review Select by location tool
review Polygon from layer extent tool and sync it with master code
review buffer tools
add license headers to some tests