adding silent parameter to clearOptions

[bubb-rubb]

this commit fixes #832

[dattz]

Thanks bubb-rubb.

Why isn't this still merged? Really need this.

[millerbennett]

+1

[doerig]

+1

[mcfoton]

+1 need this in my life!

[NitsanBaleli]

much needed

[nmnandakishore]

+1, This is really much needed @joallard @brianreavis merging this will be very helpful.

[nmnandakishore]

For now, adding clear(true); before clearOptions(); does the job if we don't want the onChange event to be fired.

[joallard]

Thanks for the reviews and +1s. Here are my requested changes:

• Document parameter in docs/
• Document parameter in method comments
• Rebase commit on top of master

If the original PR author is not available, I'd accept an alternative PR with credit to @bubb-rubb.

[risadams]

superseded via PR #1553