Bug 729940 - Part 2: Stop using crappy hash functions in Gecko. r=bz

caps/src/nsPrincipal.cpp

content/base/src/nsAttrValue.cpp

content/base/src/nsContentList.h

content/base/src/nsDOMAttributeMap.h

content/base/src/nsDocument.h

content/base/src/nsMappedAttributes.cpp

content/base/src/nsNameSpaceManager.cpp

content/base/src/nsNodeInfoManager.cpp

content/canvas/src/CanvasImageCache.cpp

content/html/content/src/nsHTMLFormElement.h

content/xslt/src/xslt/txKeyFunctionCall.cpp

content/xul/templates/src/nsRDFConInstanceTestNode.h

content/xul/templates/src/nsRDFPropertyTestNode.h

dom/base/nsScriptNameSpaceManager.cpp

dom/indexedDB/OpenDatabaseHelper.cpp

dom/plugins/base/nsJSNPRuntime.cpp

embedding/components/commandhandler/src/nsCommandParams.cpp

gfx/thebes/gfxFont.h

intl/unicharutil/util/nsUnicharUtils.cpp

intl/unicharutil/util/nsUnicharUtils.h