Update for MOSEK 8.0

This officially drops support for earlier versions of MOSEK that 8.0 and improves re-build functionality.

Julia 0.5.0-rc3 support

Fixing deprecation warnings and failing tests

Bug fixes

• Fixing issue in setconstrLB! and setconstrUB!.
• Fixing test requirements
• Preparing for MOSEK 8.0

Julia 0.4 compatibility release

This release should make Mosek.jl compatible with Julia v0.4. The v0.2.x is primarily tested with Julia v0.4, but when bugs for Julia v0.3 are reported, they will be fixed.