sshagent.sh more modularized via functions.
Moved sshagent.sh to sources.
sshagent.sh new 'source' mode: 644.
Source naming conventions changed through entire set.
Renamed aliases_aix to aix source.
Rename python to py.sh source.
Source file variables: no more ssh-agent logic, added pathmunge logic.
Changed environment control behavior (now there is conf/czenv.conf).
Sources: scripts_scripts contents passed on to variables env; pathmunge.sh is now a generic one.
Renamed source variables to var.
czenv.conf updated to rename variables source to just var.
CZENV variable taken out lastly from czprofile.