improve readability run_cmd() error message
improve readability run_cmd() error message

omits new line characters as rsyslog replaces control characters during
reception of the message [1].  This causes the '\n' character to get
replaced with '#012'.

redirects stderr to stdout

New Error:

RepoWatch: Nonzero return code. Code 128, Exec: 'git checkout -f
FETCH_HEAD ', Output: 'fatal: Not a git repository (or any of the parent
directories): .git'

Old Error:

RepoWatch: Nonzero return code#012Code: 128 Exec: git checkout -f
FETCH_HEAD #012Output: '' Error: 'fatal: Not a git repository (or any of
the parent directories): .git\n'

[1] http://www.rsyslog.com/doc/rsconf1_escapecontrolcharactersonreceive.html

kincl/repowatch,jeremyrogers/repowatch,pyther/repowatch,kincl/repowatch,jeremyrogers/repowatch,pyther/repowatch