Add asset related column-defaults property and change the default presentation for asset bytes

[RFSH]

This PR will,

• Add a new data-chaise-tooltip attribute to our markdown rendering that can be used for showing tooltips (#813).
• Mark asset related columns during introspection. With this we're also handling the cases where a column is used in two asset annotations. In these cases, the first instance will be honored and the second asset annotation will completely be discarded.
• Change the default presentation of asset bytes to use the humanizeBytes function (#984).
• Add asset related properties to column-defaults annotation.
• Add a new argument to humanizeBytes to return the value with a tooltip.
  • Since the function now has 5 arguments, I changed the "optional" arguments to be name based instead of position based.
  • I had to add a new tooltip mechanism for this to chaise (PR link).

[RFSH]

We discussed the property names and decided to formalize why some properties have chaise in them and others don't. We want all the properties and class names to follow the same rule. The rule could be: If the feature is specific to chaise (and it's not an ermrestjs feature that other client tools can use), we should use chaise in their names. Or simply, if it's a class that ermrestjs knows about, we should keep it general.

This tooltip attribute is the only attribute that we have. The browser equivalent of this attribute is called title. So we could argue that this is a chaise-specific feature; therefore, chaise should be part of its name. That's why I'm using data-chaise-tooltip for it. Other related attributes:

• data-chaise-tooltip-placement
• data-chaise-tooltip-no-icon

The following are the classes that we have and how we might want to change them:

Current name	proposed name	What it does	Notes
.chaise-btn	No change	Shows chaise style of button	Not used by ermrestjs. Special chaise style
.download-alt	.chaise-download	Chaise download button. Chaise also shows the same style with just `download` attribute.	Not used by ermrestjs. Special chaise style
.download	should we remove it?	Alternative for .chaise-btn .chaise-btn-primary	Not used by ermrestjs. Special chaise style. Kept for backwards compatibility
.vocab	.chaise-vocab	Add background color to the element to look like a chiclet	Not used by ermrestjs. Special chaise style.
.chaise-autofill	No change	Ensure the element fills the parent container.	Not used by ermrestjs. Special chaise style.
.fullscreen-off	.chaise-iframe-fullscreen-btn-off or .iframe-no-fullscreen-btn	Hide the fullscreen button of iframes.	Not used by ermrestjs. Special chaise style. Although it's hiding a button that is always added by ermrestjs.
.chaise-image-preview	No change ?	Adds a simplified zoom capability to image.	Not used by ermrestjs. Special chaise style. We might eventually want to change the default display of assets to use this
.chaise-color-preview	.color-preview	Hide the external icon that ermrestjs wants to add.	Automatically added by ermrestjs to columns typed rgb hex to show the color.
.asset-permission	No change	Chaise will send a HEAD request before opening/downloading the link	Automatically added by ermrestjs to links.
.external-link	No change	Clicking links with this class will open the "external link" popup in Chaise.	Automatically added by ermrestjs to links.
.external-link-icon	No change	Shows the external icon.	Automatically added by ermrestjs to links.
.external-link-no-icon	No change	Hide the external icon that ermrestjs wants to add.	Not used by ermrestjs. Special chaise style
.hide-in-print	No change	Elements with this class are hidden in print.	Added by ermrestjs to some markdown tags.
.video-info-in-print	.show-in-print	Elements with this class are displayed in print.	Added by ermrestjs to video description, but there's no reason to be use a name this specific.

[jrchudy]

The change to communicate columns that are asset related makes sense so we can better manage asset annotations and potential overlaps with multiple. Test cases passed locally for me.