fixed for the case when user agent header is null
fixed for the case when user agent header is null


git-svn-id: 477788cc2a8229a747c5b8073e47c1d0f6ec0604@7734 f5dbab47-78f9-eb45-b975-e544023573eb

phillips1021/uPortal,chasegawa/uPortal,apetro/uPortal,phillips1021/uPortal,kole9273/uPortal,doodelicious/uPortal,joansmith/uPortal,MichaelVose2/uPortal,Jasig/SSP-Platform,phillips1021/uPortal,jameswennmacher/uPortal,cousquer/uPortal,GIP-RECIA/esco-portail,pspaude/uPortal,joansmith/uPortal,MichaelVose2/uPortal,kole9273/uPortal,vbonamy/esup-uportal,jhelmer-unicon/uPortal,Mines-Albi/esup-uportal,EsupPortail/esup-uportal,groybal/uPortal,stalele/uPortal,EdiaEducationTechnology/uPortal,jameswennmacher/uPortal,stalele/uPortal,andrewstuart/uPortal,groybal/uPortal,EdiaEducationTechnology/uPortal,ASU-Capstone/uPortal-Forked,jhelmer-unicon/uPortal,phillips1021/uPortal,groybal/uPortal,cousquer/uPortal,EsupPortail/esup-uportal,EdiaEducationTechnology/uPortal,vertein/uPortal,Mines-Albi/esup-uportal,jl1955/uPortal5,ASU-Capstone/uPortal-Forked,doodelicious/uPortal,Jasig/uPortal,jhelmer-unicon/uPortal,chasegawa/uPortal,bjagg/uPortal,jonathanmtran/uPortal,andrewstuart/uPortal,phillips1021/uPortal,vbonamy/esup-uportal,mgillian/uPortal,Jasig/uPortal-start,EdiaEducationTechnology/uPortal,doodelicious/uPortal,drewwills/uPortal,ChristianMurphy/uPortal,vbonamy/esup-uportal,GIP-RECIA/esup-uportal,jameswennmacher/uPortal,ASU-Capstone/uPortal,apetro/uPortal,vertein/uPortal,EsupPortail/esup-uportal,Jasig/SSP-Platform,jhelmer-unicon/uPortal,GIP-RECIA/esup-uportal,drewwills/uPortal,timlevett/uPortal,groybal/uPortal,kole9273/uPortal,apetro/uPortal,Jasig/uPortal,ASU-Capstone/uPortal-Forked,Mines-Albi/esup-uportal,joansmith/uPortal,jameswennmacher/uPortal,jonathanmtran/uPortal,MichaelVose2/uPortal,Jasig/uPortal-start,chasegawa/uPortal,drewwills/uPortal,Jasig/SSP-Platform,GIP-RECIA/esco-portail,jonathanmtran/uPortal,mgillian/uPortal,jl1955/uPortal5,Jasig/uPortal,ASU-Capstone/uPortal,Jasig/SSP-Platform,Jasig/SSP-Platform,MichaelVose2/uPortal,vertein/uPortal,bjagg/uPortal,chasegawa/uPortal,Mines-Albi/esup-uportal,ChristianMurphy/uPortal,apetro/uPortal,andrewstuart/uPortal,jl1955/uPortal5,ASU-Capstone/uPortal,jl1955/uPortal5,jhelmer-unicon/uPortal,doodelicious/uPortal,ASU-Capstone/uPortal-Forked,GIP-RECIA/esup-uportal,ASU-Capstone/uPortal-Forked,joansmith/uPortal,drewwills/uPortal,ASU-Capstone/uPortal,stalele/uPortal,doodelicious/uPortal,timlevett/uPortal,bjagg/uPortal,jl1955/uPortal5,vbonamy/esup-uportal,chasegawa/uPortal,GIP-RECIA/esup-uportal,andrewstuart/uPortal,jameswennmacher/uPortal,groybal/uPortal,kole9273/uPortal,GIP-RECIA/esup-uportal,vbonamy/esup-uportal,kole9273/uPortal,cousquer/uPortal,joansmith/uPortal,apetro/uPortal,pspaude/uPortal,timlevett/uPortal,pspaude/uPortal,pspaude/uPortal,Mines-Albi/esup-uportal,EsupPortail/esup-uportal,timlevett/uPortal,EsupPortail/esup-uportal,ASU-Capstone/uPortal,GIP-RECIA/esco-portail,ChristianMurphy/uPortal,andrewstuart/uPortal,mgillian/uPortal,stalele/uPortal,vertein/uPortal,MichaelVose2/uPortal,stalele/uPortal