Another Austin project -- the W Hotel & Residences -- took an important step forward yesterday with a lavish ground-breaking ceremony. Not unlike the Austonian which created a pile of dirt to be shoveled for the ceremony, the Block 21 development team and a world-famous basketball player and investor (Magic Johnson) used unusual guitar-shovels for the ground-breaking. The theme of the event, as far as I can tell, was "Keep Austin Weird."Block 21, a former vacant lot in the heart of Austin . . .