Write env-vars to ~/.profile instead of ~/.bashrc

[lurch]

Fixes #13 and #12

There's also no need for source since we've already done export!

[lurch]

Does this work better for you now @bablokb ?

[bablokb]

yes, this fixes #12

[aallan]

This PR is superseded by #20?

[lurch]

There's also no need for source since we've already done export!

And I've just remembered that this only sets the variables in the shell-instance in which the script is running, and they don't propagate back up to the parent shell that actually invoked the script :wink: (a subshell can't modify the environment of its parent shell)