Add 'path()' methods in TreeNode
trying to clean up code, to trim unneeded code
simplifying default pretty printer
minor cleanup
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Added JsonGenerator.writeNumber(short)
Upgrade parent pom, to get bit more compact jar builds
Merge pull request #69 from msteiger/master

Support for shorts in JsonGenerator
Minor tweaks for #69
Improve javadocs for GeneratorBase._verifyValueWrite()
prepare for 2.2.0 rc1
[maven-release-plugin] prepare release jackson-core-2.2.0-rc1
[maven-release-plugin] prepare for next development iteration
Clean up copyright notice comments by removing refs to LICENSE, adding stub in main-level classes.

Intent is to reduce confusion as only some source files have the notice; instead, we should use single external LICENSE file.
add LICENSE, NOTICE
improve naming in LICENSE file
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