activeapp: Panel plugin for displaying application name

[adlo]

I’ve made some improvements to my panel plugin, such as fixing some possible memory leaks.

> On 26 Apr 2018, at 02:56, André Miranda <andre42m at gmail.com> wrote:
> 
> Nice, it's working fine here, congratulations.
> Do you intend to propose it as an official plugin or it's just an one-shot effort?
> 

I’m not sure, I haven’t decided yet.

Regards

adlo