Adding rudimentary More Like This Filter and tests.

More tests needed.
Adding list view for related question queries.

The fragment is displayed properly, but does not yet scale/scroll properly.
Fixing MoreLikeThis query for ambiguous ids.

This is probably an ES bug related to the parent-child relation ship. Basically we need to specify the object type when we specify an id, or it doesn't work.
Fix NPE in QuestionListActivity.
Removing Answer->Question mapping because ES sucks.

Basically, we can't do Top Child queries on Answers because they're children of Question. Why? Because ES is not a f***ing RDBMS and we shouldn't have to use it.
Removing parent mapping on answer in NetworkDataManager
Clean up
Merge pull request #187 from Mobius5150/toprated

Removing parent->answer mapping.
Fixing reversed sort direction in sort drawer.

Also correct default sort direction.
Changed the listview layout
Removed the sort action item.
Removed inline classes
Implementing AttachmentItem GsonTypeAdapter.

Because apparently this wasn't done a million years ago.
Fix attachment item type adapter parent type.
Implemented detached Attachment creation, and bitmap resizing when
loaded by the controller
Moved attachments from QABody into new class QuestionBody
added attachmentview to create question screen
Added attachment view to question creation page, implemented
adding_enabled property in xml
Added AttachmentDisplayView which simplifies the AttachmentView.
Implemented add attachment button outside of the AttachmentView. Added
Attachment name field in the attachment popup.
Fixed error with question ids