first code for local repository
adding AWS S3 RepoProvider; adding scheduled index scan
better schedule time (1 minute)
adding RepoIndexer via repomd.xml
adding HTTP provider
Merge pull request #50 from cinovo/reposerver

Reposerver
fixes return type annotation
Merge branch 'master' into 52

Conflicts:
	src/main/java/de/cinovo/cloudconductor/server/ServerStarter.java