added license information

Change-Id: I2cb79bd402d19d4ea3c676feaa84a731e549d8ee
updated license information

Change-Id: Ie3a7a4c06b42342b1acc8c12b5f902d215b199dc
Allow to specify different read and modify contexts for SPARQL updates.

Change-Id: I2e02e5671c223f229d13e84f24ba5e0d87d0d649