Temporarily disable OS X on Travis CI
Temporarily disable OS X on Travis CI

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bingbing8/PowerShell,bingbing8/PowerShell,KarolKaczmarek/PowerShell,daxian-dbw/PowerShell,jsoref/PowerShell,KarolKaczmarek/PowerShell,PaulHigin/PowerShell,TravisEz13/PowerShell,bmanikm/PowerShell,jsoref/PowerShell,jsoref/PowerShell,bmanikm/PowerShell,daxian-dbw/PowerShell,kmosher/PowerShell,JamesWTruher/PowerShell-1,bmanikm/PowerShell,bingbing8/PowerShell,KarolKaczmarek/PowerShell,PaulHigin/PowerShell,bmanikm/PowerShell,KarolKaczmarek/PowerShell,kmosher/PowerShell,bingbing8/PowerShell,KarolKaczmarek/PowerShell,jsoref/PowerShell,kmosher/PowerShell,PaulHigin/PowerShell,kmosher/PowerShell,bmanikm/PowerShell,JamesWTruher/PowerShell-1,PaulHigin/PowerShell,bingbing8/PowerShell,daxian-dbw/PowerShell,TravisEz13/PowerShell,jsoref/PowerShell,daxian-dbw/PowerShell,kmosher/PowerShell,TravisEz13/PowerShell,JamesWTruher/PowerShell-1,JamesWTruher/PowerShell-1,TravisEz13/PowerShell