Adds ability to show text in conjunction with another message or by itself
Merge pull request #18 from isha/text

Adds ability to show text in conjunction with another message or by itse...
Merge branch 'server'
gif delete also added
revert
Accept sleep (ms) key from message
set up sleep correctly when not supplied in test mode
Merge pull request #19 from isha/sequencer

Sequencer
Scaling for images and videos
Merge pull request #20 from isha/scaling

Scaling for images and videos
Store currentScale as float in class (doesn't affect actual message)