Merge pull request #67 from aktse/master

refreshing successful
persist images in elastic search
adding image to question and answer tests now passing
now when there's no user, person can set username when he wants to create question
now can set user when adding answer for the first time
Merge pull request #68 from ibarreto/master

user
now upvotes, answers, and replies to questions are updated in the server
Merge pull request #69 from ibarreto/master

now upvotes, answers, and replies to questions are updated in the server
now replies to answers are updated on server
updated javadoc
Merge pull request #70 from ibarreto/master

update javadoc and now replies to answers are updated
geo setup
Merge pull request #71 from diego04/master

geo setup