update gitignore
updated to Linux Mint 17
grass support removed (heavy dependence without use)
Merge branch 'master' of https://github.com/xrubio/pandora
grass removed from documentation
Agents managed by shared_ptrs
updated examples
Merge branch 'master' of https://github.com/xrubio/pandora
updated example
osx version
added instructions for OSX installation
different sconsfiles
updated examples
fixed bug about undefined return
grass dependencies removed
old file
updated ubuntu version
updated instructions for osx
Merge pull request #83 from gfrances/master

Add equality operators to the Raster classes
reorganizing folders for pandora install