+ one can specify params.xml also to i2smo

+ GetDrawFormula tried to prase formula even if it was RPN
+ it caused segfault if RPN formula was defined in device param

* acinclude.m4 macros for boost replaced with current versions
from autoconf-archive

* configure.in renamed to configure.ac

* INCLUDES option in Makefile.am files renamed to AM_CPPFLAGS
according to automake warning

* Importing module libpyszybase from script lead to some
unpredictable behaviore due to presence libSzarp2 in module and in daemon.
To prevent that szbase API is now exposed directly from pythondmn
and importing libpyszbase is not necessary.

* Do decoding without checking locales which could be unset
or set to wrong encoding. Just try UTF-8 first and if that fails use ISO.

adding a translation of the English version of the 4.

+ now szarp require libevent in version 2.0 or higher

+ remove unused szarp-mobile package

+ all letters in URL %xx codes are converted to lowercase

+ typos
+ functions for dumping Modbus ADU/SDU frames to string (not used yet)

Function SC::U2S() from libSzarp does the same as was done, but in more
terse way.