Merge pull request #468 from loladiro/pull-request/f96c62f6

Tag Nettle v0.1.3
Register DSP
Tag DSP v0.0.1
Tag NIfTI v0.0.3
Tag Distributions v0.2.12
Merge branch 'metadata-v2' of git://github.com/JuliaLang/METADATA.jl into metadata-v2
Tag MCMC v0.0.1
Tag Images v0.2.18
Tag NumericExtensions v0.3.0
Tag TimeSeries v0.1.6
Tag Distance v0.2.5
Tag TimeSeries v0.1.7
Merge branch 'metadata-v2' of git://github.com/JuliaLang/METADATA.jl into metadata-v2
Merge pull request #469 from milktrader/pull-request/8a20d5d5

Pull request/8a20d5d5
Tag Optim v0.2.0
Tag HDF5 v0.2.15
Tag NumericExtensions v0.3.1
Tag TimeSeries v0.2.0
Register Lazy
Tag Images v0.2.19