javadoc fixes part 15 (ticket #1894)

apps/i2psnark/java/src/org/klomp/snark/Snark.java

apps/i2psnark/java/src/org/klomp/snark/Storage.java

...bapp/src/main/java/net/i2p/imagegen/IdenticonServlet.java

...g/core/src/main/java/com/google/zxing/EncodeHintType.java

...va/com/google/zxing/qrcode/decoder/FormatInformation.java

.../jetty/java/src/org/mortbay/servlet/MultiPartRequest.java

apps/jrobin/java/src/org/jrobin/core/jrrd/RRDFile.java

apps/sam/java/src/net/i2p/sam/client/SSLUtil.java