drop support for julia 0.3

[mlubin]

Implementing JuliaOpt/MathProgBase.jl#91 will require dropping 0.3 anyway, so this PR is the first piece of that. Also generally makes the code easier to maintain by removing the @compat weirdness.

[IainNZ]

45 files changed wow 👍

[tkelman]

Be sure to use Pkg.tag("Convex", :minor) when tagging the first version with this merged.

[mlubin]

@madeleineudell, I'll be merging this along with the MPB changes early next week if there are no objections.

[madeleineudell]

Looks good to me!
On Nov 27, 2015 11:53 AM, "Miles Lubin" [email protected] wrote:

@madeleineudell https://github.com/madeleineudell, I'll be merging this
along with the MPB changes early next week if there are no objections.

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