fts: use case-insensitive matching
fts: use case-insensitive matching

This is for parity with MXR, so search results are similar

pombredanne/dxr,srenatus/dxr,jbradberry/dxr,srenatus/dxr,nrc/dxr,jonasfj/dxr,nrc/dxr,kleintom/dxr,pombredanne/dxr,jay-z007/dxr,bozzmob/dxr,jay-z007/dxr,srenatus/dxr,erikrose/dxr,jonasfj/dxr,pelmers/dxr,jonasfj/dxr,pelmers/dxr,gartung/dxr,KiemVM/Mozilla--dxr,jay-z007/dxr,gartung/dxr,pelmers/dxr,kleintom/dxr,gartung/dxr,erikrose/dxr,KiemVM/Mozilla--dxr,gartung/dxr,bozzmob/dxr,kleintom/dxr,bozzmob/dxr,jonasfj/dxr,kleintom/dxr,kleintom/dxr,pelmers/dxr,jonasfj/dxr,pelmers/dxr,bozzmob/dxr,pelmers/dxr,nrc/dxr,pelmers/dxr,pombredanne/dxr,jay-z007/dxr,erikrose/dxr,bozzmob/dxr,jay-z007/dxr,jbradberry/dxr,srenatus/dxr,KiemVM/Mozilla--dxr,erikrose/dxr,pombredanne/dxr,erikrose/dxr,pombredanne/dxr,KiemVM/Mozilla--dxr,gartung/dxr,jonasfj/dxr,nrc/dxr,srenatus/dxr,nrc/dxr,jay-z007/dxr,jbradberry/dxr,kleintom/dxr,pombredanne/dxr,kleintom/dxr,jbradberry/dxr,KiemVM/Mozilla--dxr,jbradberry/dxr,jbradberry/dxr,gartung/dxr,jay-z007/dxr,KiemVM/Mozilla--dxr,jbradberry/dxr,gartung/dxr,pombredanne/dxr,bozzmob/dxr,nrc/dxr,srenatus/dxr,bozzmob/dxr