Edits to installation guide
Update README.md

Whitespace fixes for sub lists and code.
Added missing python step
Merge pull request #523 from patriciagarcia/LB-1272

LB-1272 On embed replace "updated on 14:50" with "updated at 14:50"
Merge pull request #440 from plaindocs/master

Editing installation guide
STT embed theme quick fix
Merge pull request #531 from nidzix/master

STT embed theme quick fix
LB-1272 On embed replace "updated on 14:50" with "updated at 14:50"

Fix bug: on page load the date is not displayed but the label "updated
at" is still visible.
Merge branch 'LB-1272' of github.com:patriciagarcia/Superdesk into LB-1272