eRPC Server: fix exception at disconnect and reconnecting

Merge pull request #31 from martinpihrt/python3

Czech translation from Martin Pihrt

Create Beremiz_cs_CZ.po

Create Beremiz.mo

Fix SVGHMI build exception on windows: return bytes for inkscape path in docsvg.

SVGHMI: fix consequence of last change in ProcessLogger

Update requirements.txt

Remove forgotten debug prints

merge

Updates requirements.txt about forks of Nevow and sslpsk

Fix deprecated WX call producing warning.

Fix exception on right click, showing context menu.

GCC toolchain: Add {SYSROOT} substitution with support for whitespaces

Any instance of {SYROOT} string in config's CFLAGS and LDFLAGS is replaced by sysroot path obtained from "gcc -print-sysroot"

Fix argument lexer in ProcessLogger, replace it with shlex standard python module.

SVGHMI: Fix warning with WxPython > 4.x

docsvg: safer version checking of Inkscape

IDE. update genicons.sh to inkscape 1.1 command line

IDE: adjust Build and Clean icons colors.

Fix variable forcing. Now works with eRPC. PLCObject API changed.

Fix strings displaying as repr(bytes) in debug view.

Fix variable tracing in new eRPC interface.

Replace PYRO with ERPC. Work In Progress.

Fix blind replace ('text' into 'str') from py3 port

Fix settings URL: now '/' instead of '/settings'

Merge

SVGHMI: Fixes UI lifecycle problems

Was sometime showing HMI tree of previously closed project : no more module globals to store hmi tree.
C++ dead object exceptions happened when re-opening SVGHMI UI or building after close of UI.

IDE: Libraries in OrderedDict for access by name

SVGHMI: fix exception when stopping

SVGHMI: fix JS error loading empty single page

svg:svg tag should not be considered as a detachable group,
so filter only svg:g elements

IDE: fix exception showing network discovery

SVGHMI: Fix creation of SVG file if none provided

IDE: Auto-select required libraries when adding extension

IDE: Disable not-yet-working extensions

Fix typo in README.md

IDE: py3.10 related float/int fixes in debug plots

Move tests/project/modbus in exemples.

Python3 fixes for Modbus Web Settings

Fix template conflict in XSLT with lxml>=4.9.0 again

Earlier attempt was fixing conflict with -1.0 priority attribute,
as a side effect of such low priority, SFC Actions were not
editable anymore.

This time move template around instead of using explicit priority.

Revert "IDE: fix exception when adding Action"

This reverts commit 94e42cda0a8e093aac4830b5c40656c240ec8cf9.

IDE: fix exception when adding Action

IDE: Fix status bar update when conection lost

SVGHMI: Fix watchdog exception on windows

Typo

Upgrade wxPython to 4.2.1, drop 4.2.0 workaroud

Runtime: add GetVersions() call to PLCObject, use it in web settings and expose it in WAMP and Pyro.

Note: WAMP changes are untested

Runtime: Add stderr support to local posix spawn based subprocess replacement

Modbus: More verbose error message in case of thread creation problem

Runtime web settings: fix punctuation and update CSS again