remove some unnecessary global declarations
update module docs
update helpdb
remove specfun from index (no longer its own section)
Fix #1501
Document typed array comprehensions

+ small doc fixes
some extras module fixes
fix #1502
Pkg, Git: use emergent formatting standard for using, import, export
Merge branch 'master' of github.com:JuliaLang/julia
fix import/export in argparse
Merge branch 'master' into vs/sparse

Conflicts:
	base/sparse.jl
	extras/linalg_sparse.jl
add some needed imports to winston
more winston module fixes
Make Sparse work with the recent module changes.
Tests pass now.
del(Dict, k): throw error if k missing
Remove extraneous comma so argparse works.
Merge pull request #1507 from kmsquire/argparse_comma

Remove extraneous comma so argparse works.
fix #1508
Merge branch 'master' into vs/sparse

Conflicts:
	base/sparse.jl
require explicit import to add methods to functions from other modules
this keeps us honest, revealing more missing imports
Ensure make uses bash instead of dash