added test raster image from raster package
added test raster image from raster package
Merge branch 'master' of https://github.com/goldingn/movement
added dependency & auto-loading of raster package
added dependency & auto-loading of raster package, deleted .grd files (data folder needs .RData files instead)
Merge branch 'master' of https://github.com/goldingn/movement
Merge pull request #12 from goldingn/master

starting with raster functionality
added kenya raster image
added kenya raster image, removed test file
Merge branch 'master' of https://github.com/goldingn/movement
Merge pull request #13 from goldingn/master

swapped the test raster for an Afripop 10km Kenya file
added get.network function and a doc, re-added kenya raster (into memory this time), compressed it and added a doc for it. added LinkingTo section in Description
Merge pull request #15 from goldingn/master

added get.network function and doc, fixed kenya raster & added doc + minor edits