Various enhancements in build system.

bin/flow123d.sh
	add random number to the lock file, when using parallel jobs
        in Jenkins the time is not enough to be unique.

CMake/*
unit_tests/CMakeLists.txt
	remove unnecessary messages, simplify CMake output
        redirect stdout of Armadillo install

CMakeLists.txt
	separate output form configuration of individual libraries

makefile
	do not output commands for most common targets
	remove packaging targets (implemented in CMake/CPack)

jenkins_jobs_template.yaml
	- run all integration tests
	- poll release builds once a day