JuliaLang v1.0.0 support

Update .travis.yml (#9)

* Update .travis.yml

* Update .travis.yml

* type to struct

* .- spaces

* Statistics

* Remove Base. in Base.Test.

* gamma and dot

* Add Statistics to Project/Manifest and import norm in runtests.jl

* New tomls

v1.0.1

Fix use of gaussjacobi

Pure Julia version

Replace statmod with FastGaussianQuadrature (#4)

* replace statmod with FastGaussianQuadrature.

* Int64 required by FGQ.

* 1

First version

v0.1.0

Add tests against analytical expressions for first and second moments.