Update connection pooling doc to link to LBP.
Update connection pooling doc to link to LBP.

tommystendahl/java-driver,mebigfatguy/java-driver,mebigfatguy/java-driver,mebigfatguy/java-driver,kjniemi/java-driver,kjniemi/java-driver,tolbertam/java-driver,kjniemi/java-driver,tolbertam/java-driver,tolbertam/java-driver,tommystendahl/java-driver,tommystendahl/java-driver