(Formatter::breakLineAt): Suppress g++ warnings
Suppress warning "control reaches end of non-void function"

(Node::incLevel): Return level
(Node::decLevel): Return level
(Literal::operator bool): Insert syntax error report
(Interface::step): Return info string
Merge pull request #4 from Constellation/supress-g++-warnings

(Formatter::breakLineAt): Suppress g++ warnings
(printExtendedAttributes): Clean up
NOTICE: New
Makefile.am (EXTRA_DIST): Add NOTICE
Makefile.am, src/esidl.cpp, src/lexer.ll: Fix to include parser.hh
configure.ac (AC_INIT): Set version to 0.3.1
NEWS: Update
(Node::Node) : Clean up
(Node::~Node) : Fix a bug
(Formatter::Formatter) : Clean up
Clean up unused variables.
Clean up unused variables.
(MessengerImport::print) : Fix a bug
Fix warnings
(parser.yy) : Remove const char* to char* cast
include/messengerDispatch.h : Clean up
 configure.ac (AC_INIT): Set version to 0.3.2
(MessengerInvoke::at(const OpDcl*)) : Fix not to use special operations for named operation invocations; cf. 946344e5
esidl.spec.in : Support parallel make; cf. Fedora Packaging:Guidelines