Changes

Support for OSLC Query (#29)
Support for OSLC Query & fix #31 exception
 Add getResources() function that specifies the filtering query using
oslc.where and oslc.prefixes.
 Closes #31: Asking for a resource/subject with a URI that does not
exist in teh
producing a NoSuchElementException
 Update git ignores.
 Signed-off-by: Andrew Berezovskyi <andriib@kth.se>
El-khoury <jad@kth.se>
 (commit: 55d77ab)