Remove which -s as it is not an option on Linux
Make recursiveSVN query a revision and use the same revision on all libraries

TODO: Provide an option to not use the same revision (for when working copies don't all belong to the same repo)
Add comment to glbasvn and don't cd to directory
Add /bin/bash comment to restoreBackup script
Rewrite recursiveSvn in perl, losing a couple of features
New perl modules directory with basic ecco module
Add new perl module directory to the PERL5LIB environment variable
Use new ecco module in recursiveSVN script
Add /bin/bashrc comment to elof
Add error, success, warning and testing functions to ecco.pm
Add testing scripts to bin, so far just testing ecco.pm
Write a small bit of explanation into the readme