build: attempt to pass --enable-repobuild automatically to submodules

This patch is related to issues:
CESNET#15
CESNET/Nemea-Modules#96

Argument "--enable-repobuild" is added now by default to configure in
subdirs.

increased version, moved revision of submodules, added new release of…

… NEMEA on GitHub

TF-CSIRT2017 Workshop on tools for monitoring and analysis

increased version, added nemea-framework as a dependency, increased r…

…evision, released RPM package

update revisions of submodules

Changelog:
   Modules
   - add bruteforce2idea
   - changed format of IDEA messages according to feedback of V.Bartos&P.Kacha

   Framework
   - bugfix trap_stats
   - improve file IFC error message

   Supervisor
   - added `file` and `blackhole` IFC types
   - config file for ipfixcol & adapted sup file
   - sup file for internal multopt detector

rpms.sh: now creates packages without dependency for python version