Fix searchsorted for Ranges
fix #6784
fix codegen bug in static_void_instance on Type{()}
faster copy() for ObjectIdDict
avoid duplicate entries in linfo->tfunc (type inference efficiency issue)
Merge pull request #6776 from wsliang/searchsorted

Fix searchsorted for Ranges
more efficient setindex for sparsematrix
replaced splice! with deleteat!
Update C/Fortran microbenchmarks to new dSFMT path
Relax type restriction on isnan/isinf/isfinite of arrays
Merge pull request #6792 from JuliaLang/sjk/isnan

Relax type restriction on isnan/isinf/isfinite of arrays
fix #6793
Fix PriorityQueue(ks, vs) constructor
Add test for PriorityQueue(ks, vs) constructor
fix #6798
Merge pull request #6796 from wsliang/pq_constructor

Fix PriorityQueue(ks, vs) constructor
attempt to fix #5574
Update ARPACK to 3.1.5
Merge branch 'master' of github.com:JuliaLang/julia
Temporarily disable ARPACK's internal tests.

On Linux, the tests will pick up the old libarpack from
JULIAHOME/usr/lib and fail due to a bug in the old libarpack.