Tidy up installation, post-relx.
More installation notes.
New posts need a slug.
Bump dep versions.
Bump DB timeouts.
Bump pool size.
Include upstart script in release.
Fix /feed
Add request timing.
Use rebar over erlang.mk

For all of its improvements over rebar, erlang.mk doesn't work with
dependencies that have slightly malformed .app.src files, which
otherwise work with rebar.

Life's too short to maintain separate forks of those, so...
Report request time to graphite.
DB statistics.
Add vm.args.
Under maintenance.
Not under maintenance.
More metrics.
Whitespace.
Replace poolboy with pooler.
Add 'clean' target.
Bump lager.