Ouput a bell to cause an urgency hint instead if notify-send doesn't exist
Fix indentation
Use -x instead of -n to test for notify-send
Replace occasional indentational tabs with spaces
Adding ignore list

Adding the program name to LONG_RUNNING_IGNORE_LIST environment variable
will suppress notifications about it.
Merge pull request #11 from al42and/ignore-list

New environment variable to ignore certain applications (al42and)
Resolve conflict from latest update
Merge pull request #9 from treytabner/master

Output a bell to cause an urgency hint if there is no notify-send available (treytabner)