[RFE] Please add zoom to 100% (1:1) functionality

Submitted by Masato Hashimoto

Assigned to Simon Steinbeiß @ochosi

Link to original bug (#11000)

Description

When zoom level (window size) is changed, Parole has no functionality to revert the zoom level and stores it permanently (doesn't it?). I'd like to fit the window size to original but it's a little bit difficult.

Version: git-master

Build & platform: Build 2014-07-05 on ArchLinux