I, personally, see no problem with someone posting their wedding announcement. That's what it's there for - to announce their nuptials. And I think the timing of the articles, while ironic, is pure coincidence. This wedding has been planned for quite some time. Since before the show opened if I'm not mistaken. So they knew Matt would be taking this time. And, from what I understand, while Matt has missed shows he's the least of their worries compared to other performers.
A lot goes into a wedding - especially one out of town. While Jenny is from Massachusetts she no longer lives there and planning a wedding in a city you're not in everyday can be a bear of a task. He, probably, took off last week so they could go to Boston to oversee the final wedding preparations and have a rehearsal at the venue with a dinner afterwards. Also, often, there are "events" leading up to the wedding like cocktail parties, barbeques, etc. So all of last week would have been taken up by that sort of stuff.
The wedding was yesterday and now there's the honeymoon. I have no idea where they're going but I'm going to guess it's somewhere that it may take time to travel to. That'll eat up days at the beginning and the end of the trip. So, two weeks isn't a whole lot of time if you come to think of it. Especially if they want to have a day or two to unwind at home after traveling before jumping right back into the thick of things.
"All our dreams can come true -- if we have the courage to pursue them." -- Walt Disney
We must have different Gods. My God said "do to others what you would have them do to you". Your God seems to have said "My Way or the Highway".