doc: add TSC meeting minutes 2015-07-01

PR-URL: https://github.com/nodejs/io.js/pull/2132


Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>