Merge profile with bashrc

Moved the definition of the paths from the profile file to the bashrc
file.  I also managed to determine if the given path already exists in
the variable.
Fix syntax error in bashrc

Fixed the two syntax errors in the bashrc file.  I also realized that
the logic to determine if the path already exists in the variables was
flawed.  Thus, I reverted back to the syntax in the profile file.
Prevent tmux from polluting the path

Searching the internet finally turned up the answer.  We need to tell
tmux to not use a login shell and this will prevent profile from being
sourced multiple times.  Moved all of the path setting back to profile
and corrected the link file.
Remove extra comments at end of bashrc