Added javadoc comment for postQuestion and postSolution.
Merge branch 'master' of github.com:huskysoft/403Interviewer
Checks parameter in postQuestion and postSolution. Changed the exception thrown to IllegalArgumentException.
Checks parameters in NetworkService.java.
Check question and solution has nonempty text/title.
Populate question and solution object with authorId and dateCreated.
Check nonnull category and difficulty.
Merge pull request #101 from kevinloh/master

Javadoc comments for postQuestion and postSolution.
Fixed question layout bug, changed app color, general cleanup
fixed typo, appeased codepro
added a lot of tests, implemented getUserId
fixed code review changes
like a boss
Merge pull request #104 from dcs24/master

Tests and getUserId
WIP: getQuestionById()
WIP: Test for Question and Solution CRUD
comments for QuestionServiceIntegrationTest
CRUD for Question, Solution (TDD)
switch to using Lists of questionIds
add test user constant