various typo fixes, link
Merge pull request #1 from linuxlite/gold-finger

Gold finger - vbox section
updated index.html
Update software_tutorials.html

Deleted misc. edit notes on page.
Update software_tutorials.html

Line 388: code correction
Added missing tutorial step and adjusted wording between lines 547 - 555.
held packages section
compressed pngs
updated readme
Grammar and punctuation corrections.
Wording adjusted to match what seen in LL 2.0
New changes to Install Additional Software
New changes to Remove Additional Software
Removed old screenshots for Install and Remove Additional Software
Added new Lite Cleaner section to Software page.
Updated index page date and description of changes.