Revert "Replace auto-complete-mode with company-mode"

This reverts commit 6521f58e4f93cf9eec4ec77ef4f5c1c1b20d6f35.

Conflicts:

	init-company-mode.el
	init-packages.el
	init-slime.el
	init.el
Fix fullscreen to actually work using F11
Switch to Inconsolata font