[Development] Switching from create_changelog.pl to createchangelog for change log generation

[Alexandru Croitor]

Unfortunately I have minimal knowledge of Perl. But adding tools one-by-one in different languages doesn't seem to me the right solution either (from a maintenance perspective).

> On 2. Apr 2019, at 17:43, Edward Welbourne <edward.welbourne at qt.io> wrote:
> 
> Alexandru Croitor (2 April 2019 14:02)
>> Just to throw some wood into the fire, because it's that kind of day,
>> technically we don't require Python or Go to build qtbase, yet we
>> require Perl. Hence +1 for using the perl script, because we need Perl
>> anyway : P
> 
> That sounds a lot like you just volunteered to maintain and review perl
> scripts.  As one of those currently stuck doing so (mainly because
> few others will touch perl with a ten foot pole) I'd gladly replace all
> our perl infrastructure with python and replace the perl dependency.
> 
> 	Eddy.