Attila Fazekas 1bd79596c3 Move back isset to the functions-common
isset function was moved to config file related functions by accident,
this change also simplfies the isset in a bash >=4.2 way.

All supported distro has at least bash 4.2. (RHEL6 used 4.1)

Change-Id: Id644b46ff9cdbe18cde46e96aa72764e1c8653ac
2015-03-26 14:00:02 +01:00
..
2014-09-09 13:54:01 +01:00