Fix spring component scan by tasks-lib

- Due: component scan use "base-package" which is not recursive or fail because two different paths of one package
- Use more specific base_package for taskManager in tasks-lib application context
Revert "Fix spring component scan by tasks-lib"

This reverts commit d86e435defd15ba2e6caa4e62273ce0aa21bbfa5.
Change properties and logs dirs from "perunv3" to "perun"

- change the path in main pom.xml file
- change the path in core for getPropertyFromConfiguration (Utils)
- change the path in rpc-lib for getPropertyFromConfiguration

NEED to be done, before apply this commit:
- create dir /etc/perun with same rights like /etc/perunv3
- create dir /var/log/perun with same rights like /var/log/perunv3
- change /home/perun/tomcat-devel/bin/setenv.sh parameter for
	log4j.properties file to /etc/perun if it's hardcoded here
Merge pull request #227 from stavamichal/change_properties_and_log_dirs_from_perunv3_to_perun

Change properties and log dirs from perunv3 to perun