Fixed search issue with text field. 

Modified facet query to incorporate the search text.
Adding further tests and refactorings to the myjobs search
Fixing unused imports and comments.
pep8 formatting
Updated tests based on better understanding of search requirments.

 - Confirm can search for exact email.
 - Confirn can search for domains.
Pep8
Limited solr result to first 100 results, eliminating a hit against
solr.
Merge pull request #516 from DirectEmployers/MyJobs-Search-Faceting-Bug

My jobs search faceting bug