Removed old slider css.
updated to d3 v3.3. bugs exist
Subticks now work the new d3 v3.3 way.
Fixed minor tick values for days and larger.
Added weather data.
Girder number in time context string.

Fixes #128
Refactoring.
Slider numbers now vertically align to center in Firefox.
Zoom svg is aligned in Firefox now.

Fixes #129
Start of getting weather information to show.
Fixed errors in showing regular data.
removed magic value
Displaying positive values, but strange results for negative values.
Updated weather files to new format.
Showing server data and weather data in two plots at the same time.
All weather data is now being used.
showing girder 20 as well
Merge branch 'weather' into deploy_client
new screenshot