Add autocommand for event BufWritePre

Add autocommand for event BufWritePre to remove trailing whitespace.
Add function JumpToLastPosition
Add autocommand for event BufReadPost

Add autocommand for event BufReadPost to call function
JumpToLastPosition.
Add function MakeScriptExecutable
Add autocommand for event BufWritePost

Add autocommand for event BufWritePost to call function
MakeScriptExecutable.
Create directory autoload
Install plugin pathogen
Call function pathogen#infect
Call function pathogen#helptags
Update file .gitignore with tags
Create directory bundle
Install plugin project
Install plugin auto-pairs as submodule
Update installation-instructions with submodules
Install plugin colorizer as submodule
Install plugin minibufexpl as submodule
Install plugin commentary as submodule
Install plugin nerdtree as submodule
Install plugin repeat as submodule
Install plugin snipmate as submodule