bump mate-session-manager to 1.5.2
bump mate-icon-theem to 1.5.1
update mate-system-monitor.SlackBuild to bring it into conformity with the others
update mate-text-editor.SlackBuild to bring it into conformity with the others
update mate-utils.SlackBuild; add two for loops to clean out /usr/share/omf and also /usr/share/mate/help
Added .gitignore

Signed-off-by: Willy Sudiarto Raharjo <willysr@gmail.com>
Added script to build all modules inside testing/

Signed-off-by: Willy Sudiarto Raharjo <willysr@gmail.com>
update testing/README to clarify that not all deps for packages in the testing directory are in the repo
update TREE.TXT