Corrected path to copy Quandl package

This correction possibly solves travis issues when running auth_token.jl
Comment the auth_token test out
Merge pull request #21 from brk00/patch-1

Corrected path to copy Quandl package
Merge pull request #22 from brk00/master

dataframes.jl cleanup
adding gitignore and removing a .swp file
Corrected bug on ternary
Merge pull request #27 from brk00/patch-1

Corrected bug on ternary operation
New set_auth_token function