Add bulk fetch to products

The behavior should mirror bulk fetch of consumers.  I wanted to
add pagination as well, but that will require support from
the product adapter in order to give us any efficiency.
Allow CPC to run from anywhere.

This construction allows CPC to reference the candlepin_api.rb file
without depending on the working directory.  It is compatible with Ruby
1.8.x, 1.9.x, and 2.0.  See http://stackoverflow.com/questions/4325759
Clean up variable names and javadoc
1037665: /var/cache/candlepin seemingly not being cleaned up

Pinsetter task will remove temporary export directories more than a day old
Merge pull request #486 from candlepin/awood/cpc_require_relative

Allow CPC to run from anywhere.
Spelling, formatting, grammar, etc cleanups.
Optimize uniqueByOwner job query, delete old failed jobs
Merge pull request #488 from candlepin/alikins/spellin

Spelling, formatting, grammar, etc cleanups.
Change the erb rake task for Ruby 1.8 compatibility.

KeyError and define_singleton_method were introduced in
Ruby 1.9.  This patch allows us to continue building on RHEL 6.5.
Updated translations.
Add index for JobStatus getByClassAndOwner
Merge pull request #490 from candlepin/ckozak/jobstatus_query_optimization

Optimize uniqueByOwner job query, delete old failed jobs
Merge pull request #487 from candlepin/wottop/1037665

1037665:  /var/cache/candlepin seemingly not being cleaned up
Merge pull request #491 from candlepin/awood/ruby-1.8-fixs

Change the erb rake task for Ruby 1.8 compatibility.
Merge pull request #484 from candlepin/ckozak/bulk_fetch_products

Add bulk fetch to products
Automatic commit of package [candlepin] release [0.9.2-1].
I have no idea why therse were marked unique
Use XPath and libxml2 to modify Tomcat's server.xml
Log as error instead of debug
update the class javadoc to describe the job's purpose.