sharedarray to use only workers on current host by default
caching local info about worker. procs(id) returns all workers on that id.
Fixed QuoteNode printing and comparison

Also a tiny bug that was causing dump to print arrays to STDOUT rather
than the requested IO.
Merge remote-tracking branch 'upstream/master' into deparse
Removed unnecessary parens when showing quoted Symbols
Merge pull request #5845 from Calder/deparse

Fixed QuoteNode printing and comparison
Merge pull request #5835 from amitmurthy/amitm/shmem_pids

sharedarray to use only workers on current host by default
change ::ByteString to ::String in a few places now that bytestring is called automatically (#5677)
NEWS for #5673
NEWS for 5673-> #5677
Update README.md

CentOS 5 hints work for RHEL 5 as well
Quoted shown expressions
show brackets instead of header for arrays in show() and repr(). fixes #5676
Add warning for missing module in myid() == 1
Test for access to undefined error from splice!
Use deleteat! instead of splice! in linalg/sparse

If the array type is such that elements are initially allocated as #undef, then splice! will fail to remove the extra space since it returns the values, giving error: access to undefined reference.
Test sparse diff
Fix logic error in sparse diff

Fixes #5853
fix new writemime() for arrays
Merge branch 'master' of github.com:JuliaLang/julia into jb/arrayrepr