1. added READMD.md
1. modified markdown
1. changed module engine -> rest-api
2. renamed KaleidoscopeHttpServer -> RestServer, HttpRequestHandler -> RestRequestHandler
3. moved kaleidoscope.server.FileRemover -> kaleidoscope.scheduler.FileRemover
1. modified application-context.properties
2. renamed KaleidoscopeHttpServerTest.java -> RestServerTest.java
3. modified README.md
1. modified README.md
1. modified README.md