added answer form to answers#show page
added js function to show answerform on button click
completed first through topics on Q page
added functionality to create a question in questions controller
completed answer form, javascript functionality improved with span tags for form class
fixed bug in voting js
Merge pull request #26 from DriftingWave/adding_answer_form

Added Answer Form to Questions Show and Answers Controller
Merge pull request #25 from DriftingWave/ask_question

Ask question
added topic show page, added suite of topic routes, modified layout of user show page
resolved merge conflicts