use $USER instead of username in aliases
removed old ruby script
removed doubled tabstop setting
shortened buildtime()
added vimroom
added helper for comma-seperated things in ruby
added conf for Vimroom
fixed blog scripts for calling vim into vimroom mode
more vimroom please
Revert "more vimroom please"

This reverts commit 12ef9240008a1dae5f15904a0e29f1693735c294.