Add Julia translation of psifn from SLATEC with interfaces di-, tri- and polygamma. Also adding some unicode constants
Change StridedMatrix to AbstractMatrix for MATLAB compatible functions. Allow all number types in Triangular and Hermitian. Make inv work for integer matrices.
pkg2: improvements to machinery to add and rm requirements.
Add Vagrant configuration & modify build system

Due to the limitations of VirtualBox shared folders, symlinks need to be
replaced with either file copies or elided entirely.
fix #3227, tab complete after :
EachLine: close stream only if automatically opened. fixes #3228
bitarray: cosmetics in dequeue functions
bitarray: add insertion argument to splice!
bitarray: fill! uses Array's fill!
bitarray: faster unary minus
bitarray == and != use Arrays' versions
bitarray: faster find, fix findnext(not)
add custom BitArray iterator
Merge branch 'master' of github.com:JuliaLang/julia
bitarray: fix fill!
contrib/vagrant: Document Vagrant configuration
Merge pull request #3266 from pao/topic/vagrant

WIP: Add Vagrant configuration
contrib: update instructions for julia-mode.el

As suggested by @jxy
fix hash() for larger integer types. fixes #3273
Merge pull request #3260 from JuliaLang/anj/fixlinalg

Some linalg changes.