fixed api.md for /auth/start response
Merge pull request #143 from dannycoates/master

Stretching and SRP params are inconsistent in documentation for /account/create and /auth/start
Download and install custom heka rpm.
removed link to etherpad in README, added link to KeyServerProtocol doc, moved link to docs to top
Merge pull request #144 from ckarlof/master

Minor README changes
Merge branch 'master' into heka-es-kibana
Use /usr/bin/hekad instead of /usr/local/bin/hekad, and start config update.
start hekad w/ the init script and not by hand.