making access methods to inputstreams public, so the code to fetch the
files from the file system can be re-used
updating to latest branch.

MMergeerge branch 'master' of ssh://github.com/andreasprlic/biojava
Merge pull request #24 from andreasprlic/master

Making access methods to InputStreams public
Merge remote-tracking branch 'upstream/master'

Conflicts:
	biojava3-structure/src/main/java/org/biojava/bio/structure/io/PDBFileReader.java