Converted to tonel. End of life for pharo4 and pharo5

Merge pull request #16 from pharo-contributions/migrate-sources-to-tonel

converted source to tonel. Added gitignore file for common pharo

Removed cruft and added all loadable

Removed old and broken packages and added the loadable ones to the baseline. This should make the whole repo a lot more consistent

Pharo4 support is back

Fixed tests for running on travis and added pharo4 support back as seaside needs it

Added Iceberg properties

0.3.1

Added iceberg property files

Separated packages and PBKDF2

Merge pull request #7 from zweidenker/integrate-pbkdf2

Integrate pbkdf2

Enabling of Metacello and Travis

This release adds travis build files and a metacello baseline in order to load

gittify version from smalltalkhub

This version is (should be) an exact copy of the code from smalltalkhub