v0.2.0

CCBlade v0.2.0

Closed issues:

• bem.jl no longer necessary (#1)
• fix type declarations (#2)
• output parameters used incorrectly (#3)
• Code errors (#4)
• pi (#5)
• Vinf close to 0: bounds error in fzero. (#6)
• u not defined in residualVx0() (#7)
• OpenBEMT references (#9)
• "no solution found" for first and last radius station of a rectangular blade (#10)
• Great work! (#12)

Merged pull requests:

• First try at some (very simple) OpenMDAO wrapper components. (#8) (@dingraha)
• Added tests to OpenMDAO example from pure-Julia runtests, etc. (#11) (@dingraha)