bin/ipaddr: Helper utility for showing interface IP addr(s)
pathogen.vim: Update c9fb89d..1b46b4f (https://github.com/tpope/vim-pathogen)
.bashrc: Add ~/.rvm/bin to $PATH for RVM
.bashrc: Use GNU awk on Solaris
bin/ipaddr: Fix padding for UNAME=Linux
Merge remote branch 'origin/master' into epic
.vimrc: Ignore errors during Pathogen init

Some of the internal hosts have older versions of VIM, e.g. 6.3 or
6.4, which don't support Pathogen. Suppress any errors doing the
Pathogen initialization to avoid annoying messages when using VIM on
those hosts.