[INV-414] Order search results

Framework updates to take in a sort parameter
[INV-414] Search order results
Merge branch 'master' of github.com:ClickTravel/Cheddar
Merge branch 'master' of github.com:ClickTravel/Cheddar
[INV-414] Order search results

Updated in accordance with review comments
[INV-414] Order search results

Added new SortOption class
[INV-414] Order search results

Review comments applied
[INV-414] Order search results

Replaced if statements with switch clause
[INV-414] Order Search Results

Review comments updates applied.
[INV-414] Order search results

Applied review comment(s) updates.
[INV-414] Order search results

Review updates applied.
Merge pull request #37 from clicktravel-jag/master

[INV-414] Order search results
Merge branch 'master' of github.com:ClickTravel/Cheddar