Bumped to v0.1.5

Added Travis button/indicator and lowered require to Julia 0.3
prerelease’s
Tag Jewel v0.6.4
Tag Compose v0.3.1
Tag Gadfly v0.3.1
Merge pull request #1044 from dcjones/pull-request/2d56b62c

Tag Compose v0.3.1 and Gadfly v0.3.1
Tag Example v0.3.1
Tag Example v0.3.2
Merge pull request #1046 from jiahao/pull-request/25c56104

Tag Example v0.3.2
Tag OpenCL v0.2.7
Tag CLFFT v0.0.3
Merge pull request #1047 from jakebolewski/metadata-v2

Use test/REQUIRE for CLFFT & OpenCL
Register Tau: v0.0.1
Tag Helpme v0.0.11
Tag Phylogenetics v0.0.2
Merge pull request #1048 from Aerlinger/pull-request/11e9bed5

Register Tau: v0.0.1
Merge pull request #1049 from snotskie/metadata-v2

Tag Helpme v0.0.11
Register BlackBoxOptim
Merge pull request #1050 from robertfeldt/pull-request/7ae2eb1f

Register BlackBoxOptim
Merge branch 'metadata-v2' of git://github.com/JuliaLang/METADATA.jl into metadata-v2
Tag MixedModels v0.3.3