update components with font-awesome 3.2.1
font-awesome 3.2 moved resources
update css with font-awesome 3.2.1
mention msgspec versioning, and note v4.1 changes
msgspec version is 4.1
note v4.1 msg spec change in clear_output handler
Adding initial version of readout to sliders.
Finishing the readout style and functionality.
Merge pull request #4982 from ellisonbg/slider-readout

Live readout for slider widgets
Merge pull request #4893 from minrk/font-awesome-3.2

add font-awesome 3.2.1
Merge pull request #4979 from minrk/clear-output-msgspec

add versioning notes to small message spec changes
Merge pull request #4933 from jdfreder/widget-model-name

Small Widget inconsistency fixes
fix width overriden by 04abbe99