make about dialog boxes use standard wx about dialogs

Any information in dialog can be easily changed without much effort
and the dialog can be easy translated.

Unfortunately on Windows there is no good standard about dialog,
therefore own implementation is used there.

fix highlighting error and warning messages with non-lating characters

fix breaking non-latin description and comments in FBD, LD, SFC and
project settings after Undo operation

fix borders of pull-down choice list box in Config tab, in Project Properties

add version.py needed for previous commit '4ce8492'

add version with commit hash to 'About' dialogs for Beremiz IDE and PLCOpenEditor

ignore generated bugreports and output of i18n script

now dialogs Find and Search in Project can be closed with ESC button

fix russian translation of "direction" in Find dialog

fix major bugs in Find and Search in Project functionality.

fix case sensitive and regexp search, remove duplicating code

Signed-off-by: Andrey Skvortsov <andrej.skvortzov@gmail.com>