Add basic Latin glyphs

[davelab6]

It would be great to get these fonts included in Google Fonts :) GF has a standard character set, and currently LG and LGC are missing a few...

As unicode characters:

‹ › ¤ ¦ § ª « ¬ ­ ° ± ² ³ µ ¶ ¹ º » ¼ ½ ¾ × ÷ ⁴ ∕ ⁄

As unicode decimal numbers:

• 8249
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• 164
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• 215
• 247
• 8308
• 8725
• 8260