Modifications concerning Mac OSX variations on the shell
Mods for OSX readline completion and greping
Add xcode extensions
Add MacPorts path
Ignore files
Merge branch 'master' of git.andreanjos.org:git/dotfiles into macosx

Update our macosx branch with the latest additions

Conflicts:
	.gitignore
Preload torch tags if working inside its directory
Remove old aliases
Fix tag loading for torch
Simplified macports comments
Introduced specialized ssh setup for Idiap
New IPython configuration files
Some OSX modifications
Update ignore list to take into account ipython inclusion
Update authorized keys
Alias ipython
Support for other build tools
Do not save the ipython history
Ignore more files
Remove @file doxygen input on C/C++; Use @DATE@ everywhere; Support for scons and waf