BB+EMA

This script includes the following indicators :
・Bollinger band colored between 2σ and 3σ
・EMA

リリースノート:

The changes are:
・Added one more bollingerband
・Increased line width of BBcenter and EMA

リリースノート:

Added 2 more EMA and 2 more SMA.

リリースノート:

Fixed two SMA was EMA.