Fix / Huge Update

• Support API 8.
• new image indicator.
• new OnSectionChangeListener.
• new speedometerMode: change size, style, indicator's position.
• speed text:
  • new speedTextPosition: change speed text's position.
  • ability to change speed text's format (INTEGER, FLOAT).
  • new unitUnderSpeedText (boolean) change relationship between unitText and speedText, (Under each, side by side).
  • new unitSpeedInterval space between unitText and speedText.
• change typeface for speed text, new attributes speedTextTypeface ,textTypeface.
• add speedPercentTo(percent, moveDuration) method.
• add setIndicator(Indicator indicator) method.
• add resource image contractor to ImageNote.
• add setIndicatorAt(int speed) method (move the indicator without Animation).
• default indicatorColor is material blue.
• update Documentation.
• remove Tremble Data range.
• fix:
  • PointerSpeedometer (startDegree and endDegree issues).
  • methods: speedPercentTo(int), setStartDegree(int), setEndDegree(int).
  • some setter methods (setSpeedometerWidth, setPadding).
  • change startDegree and endDegree together using new setStartEndDegree (int startDegree, int endDegree) method.