Add collocated-config file to .gitignore.
Add collocated-config file to .gitignore.

cloudfoundry-incubator/ltc,davidwadden/lattice-release,felipeg48/lattice,felipeg48/lattice,datachand/lattice,svrc-pivotal/lattice,Klaudit/lattice,svrc-pivotal/lattice,datachand/lattice,svrc-pivotal/lattice,datachand/lattice,Klaudit/lattice,SrinivasChilveri/lattice,svrc-pivotal/lattice,davidwadden/lattice,SrinivasChilveri/lattice,mikegehard/lattice,Klaudit/lattice,Klaudit/lattice,datachand/lattice,mikegehard/lattice,davidwadden/lattice,davidwadden/lattice-release,cloudfoundry-incubator/ltc,SrinivasChilveri/lattice,SrinivasChilveri/lattice