Summary:
Improved chapter 5. Adding screenshots Proof reading Improving readbility Added some keyboard shortcuts
deleted uneeded file
Changes made to Chapter 5. Changed context to basic user. Instead of lxqt-runner, Runner is more appropriate, same for lxqt-panel, Panel is a better heading for explanation. Added screenshots Added keyboard shorcuts to windows management Fixed...
...minor errors, spelling and gramatical.
NOTE: To whomever is reading merging this please let me know if I have oversimplified things but I am doing what I think would make things easier to read.
Merge branch 'master' of https://github.com/lubuntu-team/manual into chapter5
Test Plan: Have documentation reviewed
Reviewers: tsimonq2, lynorian
Differential Revision: https://phab.lubuntu.me/D38
