Fixes for 1.0. All tests pass

[rejuvyesh]

contains is now occursin. Not sure whether we should change the API.

[tawheeler]

Any idea why Travis is failing?

[rejuvyesh]

Need to fix .travis.yml.

[rejuvyesh]

Now contains is the issue. Works on 1.0 but not on 0.7.

[coveralls]

Pull Request Test Coverage Report for Build 101

• 13 of 13 (100.0%) changed or added relevant lines in 8 files are covered.
• 5 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-1.2%) to 89.764%

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Files with Coverage Reduction	New Missed Lines	%
src/geom/hyperplanes.jl	1	83.33%
src/quat.jl	2	80.65%
src/coordinate_transforms.jl	2	97.75%

Totals
Change from base Build 87:	-1.2%
Covered Lines:	342
Relevant Lines:	381

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💛 - Coveralls

[tawheeler]

Please make a PR for the 0.7 fixes and then make a separate PR for the 1.0 fixes in which the required version number is bumped.