Fix: pre-/post-make hooks are now invoked everywhere.

Previously, the hooks where only called when pushing from the console;
by contrast, they were NOT called in response to file-system changes
with `--watch` and during the initial push on starting `steroids
connect`.
Merge pull request #13 from mklement0/topic/makehooks-fix

Fix: pre-/post-make hooks are now invoked everywhere.