update most package examples (closes #44)
add question templates (closes #40)
fixes from R CMD check
add appveyor and vignette for wiki
ignore appveyor in build
add ReviewPolicies details & exs (closes #47)
misc fixes to simple wizard
add wiki links to wizard help menu (#5)
pass args to GetQual
opt. annotation arg to hitlist funcs (closes #51)
clarify GetFileUpload details (closes #45)
R CMD check fixes
clarify return values in docs (closes #43)
R CMD check fixes
add complete HIT template example
rewrite ReviewPolicy API, document, and test (#47)
R CMD check fixes (#47)
finish ReviewPolicy code (closes #47)