Rename test/app/ to app-tap/

test/CMakeLists.txt

test/app-tap/CMakeLists.txt

test/app-tap/clock.result

test/app-tap/clock.test.lua

test/app-tap/console.result

test/app-tap/console.test.lua

test/app-tap/csv.result

test/app-tap/csv.test.lua

test/app-tap/errno.result

test/app-tap/errno.test.lua

test/app-tap/info.result

test/app-tap/info.test.lua

test/app-tap/init_script.result

test/app-tap/init_script.test.lua

test/app-tap/inspector.result

test/app-tap/inspector.test.lua

test/app-tap/json.result

test/app-tap/json.test.lua

test/app-tap/logger.result

test/app-tap/logger.test.lua