Reverse call log/report order

[bjendres]

Currently, the call log report lists all calls in chronological order. However, if you have a lot of entries, it might take a while to load, and usually you're only interested in the most recent ones.

Therefore I suggest to reverse the order from newest to oldest. @jaapjansma @jensschuppe any objections?

[jaapjansma]

No objections.

[jensschuppe]

No objections either. Note that this is implemented differently in the 7.x-dev and 8.x-dev branches. In D8/9 this is a view that comes as optional config, which needs the change. In D7 this is a simple db_select().