Added basic support for Minecraft 1.8.
Removed option to select custom world type from new seed list. (This may be added back in later)
Removed "Beta" from version name.
Added 1.8 to official version list.
Merges all of skips/AMIDST updates to Sep 05, 2014
(9f77485d30ff424ecd517f1c84ec33c04826915f)
Merge remote-tracking branch 'upstream/master'

* Added 1.8 to official version list.
* Removed "Beta" from version name.
* Removed option to select custom world type from new seed list. (This may be added back in later)
* Added basic support for Minecraft 1.8.

Resolved Conflicts:
	src/amidst/Amidst.java
	src/amidst/minecraft/LocalMinecraftInterface.java
Ocean Monuments layer now behaves according to the Minecraft version.
Also updates the exporterVersion.