solved bug not writting  on chef.log
Merge remote-tracking branch 'upstream/develop' into bug/CLAUDIA-4016
doc restyling
doc restyling
Merge pull request #92 from alberts-tid/task/documentation

Task/documentation
add jackson JSON parser
fix call to chefnode
Merge branch 'develop' into jersey_jackson

* develop:
  doc restyling
  doc restyling
fix: remove null fields
add chef installator tests
add javadoc
Merge pull request #90 from alberts-tid/bug/CLAUDIA-4016

solved bug not writting  on chef.log
Exprot/Import without default values
Improving the -h (help) option
Merge pull request #95 from jmmovilla/bug/CLAUDIA-4234

Exprot/Import without default values
add logs to delete node methods
fix unit test
fix: don't write empty list in json
Merge pull request #96 from alberts-tid/bug/CLAUDIA-4225

add logs to delete node methods
fix, line size to 120chars
Merge pull request #97 from jesuspg/jersey_jackson

Jersey jackson