Merge branch 'port-cordova-updates'

Merge branch '1.5.4'

Bump version 1.5.2

Fix bug in new addListener method. Must check if isMainThread

docs bugs

Merge branch 'preventSuspend-bug'

Merge branch 'preventSuspend-bug'

Merge pull request transistorsoft#137 from transistorsoft/prevent-sus…

…pend-bugs

Fix bugs in preventSuspend.

Rename installation guides

Merge pull request transistorsoft#108 from transistorsoft/scheduler-bug

Fix Schedule parsing bug