[Delivers #84078974]
Merge pull request #99 from teem2/bounds

[Delivers #84078974] Bounds attributes.
fix off-by-one parallel->sequential pause
[Delivers #83359318, #84497524, #84822830 and #84078988] More layout documentation and enhancing special values and layouts to work with bounds.
Merge pull request #100 from teem2/layoutdocs

[Delivers #83359318, #84497524, #84822830 and #84078988] More layout doc...
Add stretches attribute. Values are true,false,scale. [Delivers #84488272]
The examples in the variablelayout documentation were not working. Now they are.
Merge pull request #102 from teem2/bitmap_stretches

Add stretches attribute. Values are true,false,scale. [Delivers #8448827...
Merge pull request #101 from teem2/animgroups

fix off-by-one parallel->sequential pause
[Fixes #84036596] twojs wrapper component