Added the ability to assign 'onClick' events to commits. This required a bit of refactoring in order to utilize the already-existing hover functionality which serves to fetch the currently hovered commit.
Added the ability to assign 'onClick' events to commits. This required a bit of refactoring in order to utilize the already-existing hover functionality which serves to fetch the currently hovered commit.

terhechte/gitgraph.js,terhechte/gitgraph.js,prrmichel/gitgraph.js,nicoespeon/gitgraph.js,nicoespeon/gitgraph.js,nicoespeon/gitgraph.js,nicoespeon/gitgraph.js