Fortran added keyword IMPURE

Added keyword IMPURE analogous to keyword PURE

Bug 719525 - Can't build because the definitions of ***YY_flex_debug are...

Update the documentation in respect to the version of flex and bison that can be used.

Conflicts:
	src/memberdef.cpp
	src/memberdef.h

Debug output for lexical analyzer

Adjust internationalization part to current situation

The previous commit (pull request) was missing the debug output possibility for config.l and partial for doctokinizer.l.
The later is called on different places by means of the generic definition doctokinizerYYlex, which is declared by means of YY_DECL.
To be able to add the debug output the YY_DECL had to be redefined to be a new function and the new function, with the debug output possibility, has to be called through the original function name.

Debug output for lexical analyzer

In case of error messages like:
    input buffer overflow, can't enlarge buffer because scanner uses REJECT
it is not always directly clear from which lexical analyzer (.l file) this problem comes.
This patch helps to find these problems and does the following things:
- when using the option -d lex with doxygen each time a lexical analyzer is called at the start a line like the following line will be given:
    Entering lexical analyzer: pre.l (for: ..../file.c)
  and at the end:
    Finished lexical analyzer: pre.l (for: ..../file.c)
- in case the lexical analyzer has been translated with the -d option of lex / flex the above mentioned lines will be given as part of the lexical analyzer output (to stderr) and look like:
    --entering lexical analyzer: pre.l (for: ..../file.c)
    --finished lexical analyzer: pre.l (for: ..../file.c)

Space missing in error message.

Bug 711787 - Long initialization line in C stops doxygen

the word 'in' and the vale of filesOption were concatenated

An extra "breakpoint" in the input string has been created in the form of a , (comma), so for initialization lines the line will be shorter and the , (comma) will be copied later on.

Merge branch 'feature/build1' of https://github.com/albert-github/doxygen into albert-github-feature/build1

- .gitignore
src/unistd.h is not on src directory anymore (windows version is on winbuild directory)

- doxywizard.pro.in
consistency 0bj -> ../../objects

- Doxygen.sln
build doxygen 64 bit debug too

- Doxygen.vcproj
Config was missing (cannot be automatic due to the fact that there are 2 rules in 1 file), see also Doxywizard.vcproj

- Doxywizard.vcproj
consistency in respect to directories
$(QTDIR)/mkspecs/msvc2005 -> $(QTDIR)/mkspecs/msvc2008
settings part was present for x64 but not for Win32 (x64 not necessary for doxywizard)
Config_dw was missing (cannot be automatic due to the fact that there are 2 rules in 1 file), see also Doxygen.vcproj

- Version.rules
version.py does not need any arguments

- doxyindexer.vcproj
consistency in respect to directories

- doxysearch.vcproj
consistency in respect to directories

Esperanto not supported by htmlhelp compiler

reverting for esperanto to default language (US English)

Doxysearch under Cygwin should not have extension cgi.exe but just .cgi