Support Serialization of DSA public keys
Make root directory the root directory of the SFTP directory tree
Make root directory the root directory of the SFTP directory tree
work in progress
Merge branch 'work'

Conflicts:
	src/main/java/de/ralli/sftpserver/filesystem/SimpleFileSystemView.java
Merge branch 'work'

Conflicts:
	src/main/java/de/ralli/sftpserver/filesystem/SimpleFileSystemView.java
Merge branch 'work'
create sftpcore module
work in progress
Work in progress
Work in progress
Persistence
Add configurable base directory