fix non-working logging at first connection to PLC after Beremiz launch

At the same time this helps to avoid exception described in 1484:d5efbb20927e.

Merged in Surkovsv/beremiz (pull request #2)

fix bug with non-editable names and types of FB local variables in POU's written in ST or IL

fix bug with non-editable names and types of FB local variables in POU's written in ST or IL

fix highlighting input/outputs in function call in ST, if comment section is placed
inside call.

For example:

PackOutputs(
W4 := OUT1,
W5 := OUT2,
W6 := OUT3,
W7 := OUT4,
W8 := OUT5 (* comment inside call *),
W9 := OUT6,
W10 := OUT7,
W11 := OUT8);

add initialization tick time on Beremiz start

This fixes issue #6

fix race condition in ProcessLogger

- Fixed startup from ancestor code.

This fixes issue #5

fix bug: Beremiz IDE hangs during launching Beremiz_service

this is regression introduced as side effect by d7f474d [fix issue
with sometimes wrong return code of ProcessLogger]

automatically detect flags supported by matiec and find correct path
for matiec C library files

This makes possible to use an old matiec and the new one.

fix bug that appears if datatype in the project tree is renamed to wrong name (keyword, existend type,...)

Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/wx-3.0-gtk2/wx/_core.py", line 16765, in <lambda>
lambda event: event.callable(*event.args, **event.kw) )
File "/usr/lib/python2.7/dist-packages/wx-3.0-gtk2/wx/lib/expando.py", line 126, in _adjustCtrl
numLines = self.GetNumberOfLines()
File "/usr/lib/python2.7/dist-packages/wx-3.0-gtk2/wx/_core.py", line 16710, in __getattr__
raise PyDeadObjectError(self.attrStr % self._name)
PyDeadObjectError: The C++ part of the TreeTextCtrl object has been deleted, attribute access no longer allowed.

add distribution license notice to about dialog as GPL requires

add GPLv2 license

add copyright notices to python files where there were missing, that
is required by GPLv2

fix issue that was impossible to remove local instance of functional
block if pou is written in ST or IL

fix highlighting of multiline comments in ST and IL

close #2