Updated Reika Mods and OpenComputers

Updated OpenComputers from 1.3.3 to 1.3.4.
Updated Reika's Mods from 1b to 1c.
Config tweaks

Many configs have been tweaked, most notably to make only Greg spawn
important ores.
Also, cleaned up useless configs.
Added in progress update to the changelog

Added what has currently happened to the changelog.
Date changed

About to push this update, here's the date.
Merge pull request #3 from Biendeo/testing

Merged the testing branch into the master branch, ready for the A02 update.