Update progressbar syntax to silence new deprecation warnings

$ rails_best_practices
DEPRECATION WARNING: Requiring ruby-progressbar using `require progressbar` or `gem progressbar` has been deprecated and will be disabled on or after June 30th, 2013.  Please use `require ruby-progressbar` or `gem ruby-progressbar` instead
DEPRECATION WARNING: Calling `ProgressBar.new` is deprecated and will be removed on or after June 30th, 2013.  Please use `ProgressBar.create` instead.
DEPRECATION WARNING: Creating progress bars using ProgressBar.new(title, total, output_io) has been deprecated and will be removed on or after June 30th, 2013.  Please use ProgressBar.create(:title => title, :total => total, :output => output_io) instead. The full list of options can be found here: https://github.com/jfelchner/ruby-progressbar.
DEPRECATION WARNING: #inc will be removed on or after June 30th, 2013. Please use #increment instead.                                                                              |
Analyzing: |=======================================================================================================================================================================|
Analyzing: |=======================================================================================================================================================================|
Inc is also deprecated to Increment
Merge pull request #146 from shanesveller/ruby-progressbar

Update ruby-progressbar syntax