Dummy release for version resolution in Pkg

JuliaLang/METADATA.jl#11068

Remove legacy support and add complex input support

Remove v0.5 support, old argument order support, and add complex support.

v2.1.3

Remove Uninitialized* functionality, add some tests and fix deprecati…

Travis updates and fixes

use version number instead of release in .travis.yml (#11)

* use version number instead of release in .travis.yml
release will change over time, but your REQUIRE file says this
package supports julia 0.5 so it should continue to be tested
* add 0.6

Better handling of "old style" storage/x input order

v2.1.1

 Rethrow error in hessian check if it's not a BoundsError or MethodEr…

Allow old storage/x order, but throw warning

v2.1.0

Check if user supplied old style gradients and Hessians and correct  …

v.2.0.0

This release changes the order of the arguments for the storage and evaluation vectors in gradient and Hessian functions. Additionally, a few unnecessary memory allocations were removed.

v1.0.2

Merge pull request #3 from JuliaNLSolvers/pkm/tests

Add tests.

v1.0.1

Update REQUIRE

v1.0.0

Merge pull request #1 from JuliaNLSolvers/pkm/refactor

Extract code from Optim.