Reenabled user lywang on bme-shel877 workstations per Yuhua Song's request...

Reenabled user lywang on bme-shel877 workstations per Yuhua Song's request 'Lingyun Wang (lywang@uab.edu) recently needs to come to lab to use workstation: bme-shel877clc to analyze some data for his manuscript for his work in my lab. Could you please add his account back to bme-shel877clc?'