ODatabaseModelImpl doesn't need to be using rtl::IReference

Change-Id: Ia08d57b33af93ceb5c60c48602c403f893bbccc2
remove IReference

now that it is unused

Change-Id: I95d9f4cc50114dd9f9c9f5d095372766f44b3094
cid#1194925 Resource leak

add an assert so that coverity knows the leak can't happen

Change-Id: I0109309ccc53b1b22420cbf9ac497d8d677a4ea7
Todo -> TODO

Change-Id: I13e2351c182065be1a849b944e892f0072ce358a
workaround hack that trips up externandnotdefined clang plugin

Change-Id: I2f458cbd582c3e7cfe433915483c0b0489467471
loplugin:unreffun

Change-Id: Iaee48db2736a7fd2855e3a0ad7a39ea7d21a2d3d
loplugin:saloverride

Change-Id: Ia9a02ea6dfa3e59ff5e8bc7da229793e97f3567e
loplugin:unreffun

Change-Id: Ia1b49091c91e257e4c9e1ef328c412ea3f1a451d