prepare for 5.4
Add Vagrantfile
bin: Do not try to apply MFC if there is no MFC
bin: Add build.sh
bin: Add ci.sh

ci.sh should be executed by ci such as Jenkins.
README: cosmetic
Create installXX.iso without X
README: Add description about Continuous Intergration
ci: Install vagrant plugins
bin: Copy src.tar.gz to RELEASEDIR
README: Add description of Daily Build
Merge pull request #3 from nabeken/dev

Add vagrant, 5.4 support