Bump LibExpat sha1
Bump libCURL sha1
Added AWS.jl
Merge pull request #279 from amitmurthy/devel

Added AWS.jl
Updated dependencies on AWS.jl
update sha1

update sha1

Add new function to packages.

Work on this package should be done
Merge pull request #280 from wlbksy/patch-1

update sha1
MathProg suite bump
Update GLPKMathProgInterface url (close #282)