Changed uint8_t to uint16_t animation loop indices; added contributed…

… speites

Removed debug message remnants from begin()

added getIntensity() to Parola object

begin() returns bool status

fixed intensity initialisation of multi-zone displays at startup

Fixed uninitialised _intensity class variable.

Fixed misspelled parameter

Minor edit to examples readme

Slight mods to Test example.

Fixed ENA_* no longer working (compiler changes)

Fixed erratic zone scrolling behavior in introduced with changes to 3…

….5.3

Added README.md to examples folder