fix the fragment mode
add test for initEnvironment
fix #38 Fix test case of the initEnvironment method

Remove useless attribute of test class and change default
value for properties file and output directory.
adds ROADMAP.md
add a missing visit method in CtAbstractVisitor
Merge pull request #102 from petitpre/VisitorUpdate
Removes all methods deprecated after the release 2.4.
Merge pull request #95 from GerardPaligot/QA_38
Merge pull request #103 from GerardPaligot/clean-release-2.4
Merge pull request #101 from monperrus/roadmap
adds a first version of the contribution rules
Merge pull request #105 from monperrus/contributing
clarifies the responsibilities of Template and TemplateParameter
introduces an AbstractTemplate that contains generic template code
impacts the existing template types after the refactoring
reifies the responsibility of Substitution.insertAll as an ExtensionTemplate
changes SubstitutionVisitor (allows null targetType, handles cloning of parameters, better variable name for factory)
adds a new test case corresponding to the one that is in the paper