JANUARY JLC 1997 If you did a double-take when you picked this month's copy of JLC out of the mail, don't worry: The cover may look different, but the stories inside are still full of the same nutsand- bolts information you've come to depend on. The fact is that after 15 years in publication, we thought it was high time we gave our pages more of a '90s look. This isn't the first time we've made a change. I can still remember the first issue, published in June of 1982, when the magazine was called New England Builder. That first issue wasn't much to look at — just 16 pages of 11x17 newsprint with black-and-white photos — but