Announce 0.4; update README

* Complete rewrite of the rendering algorithm.
* Javadoc for all classes.
* Update pom.xml for OSGi-capable deployments (courtesy of Matt Bishop).

Francis Galiegue (48):
      Announce 0.3
      README.md update
      ExpressionType: modify to mimic suggested RFC algorithm
      VariableValue: add .isEmpty()
      ExpressionType: make all members package local
      URITemplateExpression: add .expand2() method plus stubs
      VariableSpec: add .isExploded(), .getPrefixLength()
      Implement .expand2() for TemplateLiteral
      New class CharMatchers
      Factorize reading variable values from JSON
      Start to test new algorithm
      Change test file format
      Add more simple tests
      More simple strings tests
      Complete tests for single strings
      Add multiple strings expansion tests
      Tentative, non tested code for maps/lists expansion
      Start and add list expansion tests
      Add expansion tests for empty list
      Add further list expansion tests
      More lists expansion examples
      ValueType: remove UNDEFINED
      Modify some rendering code to account for undefined/empty values
      More modifications
      More code, always disorganized
      Use new renderer infrastructure in .render2()
      Use .expand2() everywhere
      Rename .expand2() to .expand()
      Remove unused code
      Remove more unused code; minor code adjustments
      More code cleanup
      Revert "More code cleanup"
      ExpressionType: make all members private
      Remove yet more unused code
      Add multiple list expansion tests
      Add RFC examples; remove old examples
      Start to add javadoc
      More javadocs
      Javadoc for the vars/specs package
      Javadoc for the render package
      Regroup all CharMatcher instances in one class
      Make parsing classes package local
      Complete javadoc
      Modify some javadoc
      Move some tests around to avoid compile failure
      pom.xml: update guava and jackson dependencies
      Optimize imports
      0.4

mbishop (1):
      Modify pom.xml for OSGi-capable deployments