remove errant .DS_Store file
Removes .DS_Store and git ignores it
Merge pull request #271 from jonuy/issue-270

Removes .DS_Store and git ignores it
Merge pull request #272 from DoSomething/dev

Merge for deploy from dev @ b9499c7
change donation amount back to $10
Merge pull request #273 from tongxiang/ten

change DonorsChoose donation amount back to $10
Merge pull request #274 from DoSomething/dev

merge for deploy @7f9d99c (change donation amount back to $10)
add timestamps to competitive story gamedocs, userdocs, donation_info docs
add costToComplete param in request, filtering found responses by cost to complete initially
remove function call parens
Merge pull request #276 from tongxiang/timestamps

add timestamps to to help facilitate debugging
fix merge conflicts
Merge pull request #277 from tongxiang/cost-to-complete

add costToCompleteRange param in request, filtering found responses by cost to complete initially
add more illustrative error handling to donorschoose donation controller
remove proposal parse logic from try/catch block, now unnecessary
reduce line lengths < 80 chars
rework try/catch block
Merge pull request #278 from tongxiang/donorschoose-response

Refactoring of DonorsChoose controller
Merge pull request #279 from DoSomething/dev

merge for deploy 1) add timestamps to db docs 2) add costToComplete param to requests 3) better donations controller error handling