JERSEY-2152: Exception logging at warning level fixed.

Change-Id: Icb2f6beac3d00f971a434e6d8647638191bc30b6
JERSEY-1727: @Uri dos not work with uri templates properly.

 - Fix + test-case.
 - Updated JavaDocs.

Change-Id: I85dd8163f75a08d15beac365bd6ccaae7d64a902
Merge "JERSEY-2152: Exception logging at warning level fixed."
Merge "JERSEY-1727: @Uri dos not work with uri templates properly."