ptiede/Comrade.jl: v0.7.0

Diff since v0.6.10

Closed issues:

• Typo in Docs (#177)
• Caches no longer work with intensity maps (#178)
• Fix doc links (#181)
• DensityInterface.jl link in Docs for Comrade.Posterior has a typo (#182)
• Minor typos in docs. (#183)
• Phasecenter optimization (#209)

Merged pull requests:

• Start update to 0.7 (#169) (@ptiede)
• Start updating examples for 0.7 (#188) (@ptiede)
• Add relative gain transformation (#189) (@ptiede)
• Add pigeons as a interface package (#208) (@ptiede)
• Reintroduce threading (#210) (@ptiede)
• fix polarization models (#229) (@ptiede)
• Remove dependencies (#253) (@ptiede)
• Get libraries working with 0.7 (#254) (@ptiede)
• Add relative gains to priors and caching (#264) (@ptiede)
• update readme (#277) (@ptiede)