autotools: squashed fixes

* Install qucs xml files for admsXml
* remove -fno-rtti
  Otherwise: 'undefined symbol: _ZTI7circuit' while loading the dyn lib.
* install to include needed headers
* add mingw case, remove -rdynamic, causing error
* compilation errors out during AC_CXX_NAMESPACES check
fix compiler warnings

module.cpp: In static member function ‘static void module::print()’:
module.cpp:396: warning: format not a string literal and no format arguments
module.cpp:411: warning: format not a string literal and no format arguments
module.cpp:412: warning: format not a string literal and no format arguments
module.cpp:421: warning: format not a string literal and no format arguments

See:
https://bugzilla.mozilla.org/show_bug.cgi?id=521679
cherry pick dynamic loader
fix MinGW wrong isinf namespace

Some systems have isnan, isinf and isfinite in the std namespace, other don't.

See:
https://github.com/brechtvl/oiio/commit/b02f661bcc5cb8ead2a2a3f5c9a465d8eb1ba8a8

TODO - Need to cross check on Linux, OSX

Error:
```
In file included from ../../../src/components/component.h:35:0,
                 from cpwline.cpp:30:
cpwline.cpp: In static member function 'static void cpwline::ellipke(double, double&, double&)':
../../../src/compat.h:47:20: error: expected unqualified-id before '(' token
 # define isinf(x)  (!_finite(x) && !_isnan(x))
                    ^
cpwline.cpp:54:17: note: in expansion of macro 'isinf'
   else if (std::isinf (arg) && arg < 0) {
                 ^
make[4]: *** [cpwline.lo] Error 1
```
reorder header to avoid weird compiler error

Error:
In file included from analyses.h:42:0,
                 from module.cpp:46:
hbsolver.h:115:29: error: expected unqualified-id before ';' token
   tvector<nr_complex_t> * IN; // currents into non-linear network
                             ^
some platforms have isinf on std:: others dont
cmake: various fixes squashed

* fix tests, remove tr1
* remove cbesslj from math library
* add ecvs.cpp compontent to library
* fix tests, remove TR1
* add OSX clang libc++ flag
* adjust include headers needed to install
* set to use c++11 features
* link libqucs to libdl, for dlopen, dlclose
* add qucs_typedefs.h file config
* set PIC for x86_64
* fix path to generated headers
* add ps2sp to install
* install wrapper scripts qucsdigi,...
* fix build on win64
* generation of libucs on windows mingw, test reverted later
fix comment about location of factories
loader: json output for paintigs
add project menu option to load VA modules
hook up menu action with module method
various changes to build system
loader working with hardcoded paths
add dynamic vacomponent class
add build module action to project menu
silence forgotten warnings

`s/\#warning/\/\/ FIXME #warning/g`
only allow VA build if VA file is open
get to run va2cpp with hardcoded paths
get to run cpp2lib with hardcoded paths
add LoadDialog to build systems