Bug in eno_param_declaration error handle fixed

Bug with EN/ENO in generate_var_list that breaks parsing of variables.csv fixed

Mario changes merged

Adding missing Stage3 files.

Merged changes

Initial (very rough) version of semantic checker (stage3)

Introducing the search_il_operand_type files in the absyntax_utils folder.
The Makefile from absyntax_utils folder and the generate_c_il.cc from the stage4/generate_c
folder was also modified to work with the new search_il_operand_type file.

Applying patch from Iztok for old gcc versions

Bug with type conversion EN/ENO not evaluated fixed
Removing some warnings in iec_std_lib.h

prevent eclipse to push .project with .hgignore

removed dead hidden files

Fix problems with direct variables in expression while compiling resulting expression type

Fix segmentation fault when define global with location but no name (reported by brendan)

Removing un-necessary symbol direct_variable_type_name_c from abstract syntax tree

Fixing indentification

Adding inclusion of function blocks defined in AnnexF into library blocks

Adding support for parsing standard function in standard function blocks code generation

Adding inclusion of function blocks defined in AnnexF into library blocks

Bug on function without input parameters fixed

Removing failing error finding rule

Warning when compiling abs functions for unsigned integer fixed

bug when compiling for windows (missing getopt.h) fixed

Newer versions of g++ require access controls to be correct!

Adding support for single resource scheduling