refactoring (#116)

- refactoring architecture
- fix incomplete ssh logs
- code editor for scripts in the app
- remove Jobs and SSHCommands

app/SSH/Services/PHP/scripts/change-default-php.sh

@@ -0,0 +1,11 @@
+if ! sudo rm /usr/bin/php; then
+    echo 'VITO_SSH_ERROR' && exit 1
+fi
+
+if ! sudo ln -s /usr/bin/php__version__ /usr/bin/php; then
+    echo 'VITO_SSH_ERROR' && exit 1
+fi
+
+echo "Default php is: "
+
+php -v