Implement basic grid layout
Remove d3-grid-layout as a dependency
Add a pick test util
Pick out only the layout fields we need to check for grid tests
Add dimension and position calculation to grid layout
Add some documentation for the grid layout
Rebuild
Move utils in grid module into their own utils module
Fix offsetting of grid layout's items based on padding
Rebuild
Small documentation fixes.
Cover the two currently missing intersection cases for grid layout
Merge branch 'feature/issue-5-basic-grid-system' of github.com:praekelt/sapphire into feature/issue-5-basic-grid-system
Change grid utility functions to static methods
Fix and test grid intersection
Use actual padding value for both sides of a grid item instead of half padding
Rebuild
Update docs to explain how padding is done for grid layout
Merge branch 'feature/issue-5-basic-grid-system' into develop