Cakefile: use locally installed mocha for tests
Cakefile: use locally installed mocha for tests

DerpKitten/node-sgit,beni55/node-gitteh,beni55/node-gitteh,libgit2/node-gitteh,DerpKitten/node-sgit,libgit2/node-gitteh,libgit2/node-gitteh,DerpKitten/node-sgit,DerpKitten/node-sgit,libgit2/node-gitteh,beni55/node-gitteh,beni55/node-gitteh