Add logos for Ci/Cd apps
Add logos for Ci/Cd apps

Add logos for:
 - Jenkins
 - Gerrit
 - OpenLDAP
 - Ci/Cd
 - Nodepool

Change-Id: I5f069e10c2ae2eba00a2b131c85df85eac231142

stackforge/apps-catalog,stackforge/apps-catalog,stackforge/apps-catalog,stackforge/apps-catalog