Add special handling for node v0.6.21-pre
Merge pull request #513 from creationix/node_0_6_21_pre

Add special handling for node v0.6.21-pre
v0.14.0
This patch adds support for terminal emulators. Without this it wont work on gnome-terminal on Ubuntu
Updated error message for missing profile file
Merge branch 'bashrc-support' of github.com:16BITBoy/nvm into bashrc-support