Add README and empty syntax file.
Add cType keywords.
Add cConstant keywords for colours.
Change from c to cpp namespace.

Use $VIMRUNTIME rather than $VIM in metadata.
Add type constants.
Add MIT LICENSE.
Update README for github repo name.
Minimise the need for syntax calls.
Add gitignore and Fix typos.
Add Top-level Classes.
Add histograms.
Add functions, fits and graphics
Add Physics Vector package
Add filesystem and datastructures.
Add strings.
Add TBranch and TLeaf.
Change namespace from cpp to root, and grouped.

This should allow integration with PyROOT, though needs testing.
See `:h group-name` for groups.
Expanded readme with basic installation/activation instructions.
Add Missing TGraphErrors
Updated dat and added contributer info