Merge pull request #56 from ibarreto/master

generated javadoc, also testing some elastic search stuff
edited the question activity layout
Image can be taken when making a question.
added drawable attribute to question class
deleted annoying toast inside listener
Merge branch 'imageFeature'
fixed issue in Question class that was causing app to crash.
now you can add image to the question.
Merge pull request #58 from nkparikh/master

you can add image when creating a question.