Added .bash_profile
Moved ~/bin path addition from /etc/paths to ~/.bash_profile
Added git branch declaration into PS1 command prompt
Moved configuation into .bashrc

Based on recommendations from http://www.joshstaiger.org/archives/2005/07/bash_profile_vs.html

modified:   .bash_profile
renamed:    .bash_profile -> .bashrc
Removed username from ssh1 alias
Added git configuration and ignore files
Added some more system files to .gitignore