[amcnamara@Crypto-Online ~]$ /home/amcnamara/Desktop/EverGreenCoin-Qt -testnet=0 -regtest=0
/home/amcnamara/Desktop/EverGreenCoin-Qt: error while loading shared libraries: libboost_system.so.1.57.0: cannot open shared object file: No such file or directory
[amcnamara@Crypto-Online ~]$
It sounds like your boost packages were changed during a yum upgrade.
Check /var/log/yum.log and for when boost related packages changed.
yum history list
might help.
Also, you might choose to rollback the transaction upgrading boost stuff if that is what you want to do.