Merge pull request #37 from hobein/develop

scripts lint: allows to override jshint cmd path
server module log updated
Merge branch 'develop' of https://github.com/voltrue2/GraceNode into develop
README update
staticdata README updated
view module README updated
iap and wallet README updated
README updated
README updated
mongodb module added mapReduce and log module improved configurations
updated wallet module with a new method add to handle both paid and free