MekView updates

[SJuliez]

Some updates to the unit summary:

• adds a toolbar like on the AS Card that allows font configuration and copying the info as text or html
• removes some background coloring that wasnt compatible with dark look and feel, now damage is colored in the configurable warning color aka red and caution color aka yellow
• scrolling should be smoother (smaller increment)
• the tables (armor, weapons etc) now have a little space between columns, most columns are centered
• unnecessary empty lines between text blocks have been removed
• html tags in the fluff text are removed for text export, so simple html tags like <P>, <BR>, <B> and <I> can be used to add line breaks and formatting
• the MUL link from the "Source:" text has been removed, there's now a button
• instead, when the source is Shrapnel, a link to the Shrapnel website on bg.battletech.com is present
• in the lobby, the summary scales correctly according to GUI scaling (override on SetVisible)

[rjhancock]

Sanity check looked fine to me.

[NickAragua]

One question, one minor change request.