Organized dotfiles/configs into folders

Split set-from-git into 3 different files for each section and created a
script for common directory variables. Created separate folders for
PC/laptop configs.

aliases/.pc_aliases

@@ -5,6 +5,8 @@ if [ "$(whoami)" == "kevin" ]; then
 	alias mt="ok ~/Documents/School/calc-textbook.pdf"
 	alias clc="gcalccmd"
 	alias 6t="ok ~/Documents/School/236-textbook.pdf"
+
+	cld() { colordiff -y --suppress-common-lines $1 $2 ; } 
 fi
 # Both PC/Laptop }}}