Correctly updating time stamps for line feature class
Correctly calculating georeferencing with translation
updating d3Lines.html for new map options
Removed local functions for performance
Merge remote-tracking branch 'origin/implement_lanlng2display'
Updated zoom event info passing around
Fixed computation of zoom level
Fixed style
Fixed various issues with zoom in the new API
Optimize the code a bit
Removed tiles from cache as needed
Using better names for the variables
Simplified logic
Do not remove same tile many times
Initial work optimizing the interactions
Optimized the code a bit
Merge pull request #50 from OpenGeoscience/implement_zoom

Implement zoom
Responding to zoom event in d3 renderer
Fixed flicker during zoom in and out
Mark modified when done applying the texture