Update to file upload fail message and also includes stricter checks on the file extension used.
Update to file upload fail message and also includes stricter checks on the file extension used.

Dillon-Brown/SuiteCRM,lionixevolve/SuiteCRM,Dillon-Brown/SuiteCRM,lionixevolve/SuiteCRM,pribeiro42/SuiteCRM,salesagility/SuiteCRM,JimMackin/SuiteCRM,samus-aran/SuiteCRM,samus-aran/SuiteCRM,gody01/SuiteCRM,ChangezKhan/SuiteCRM,horus68/SuiteCRM-Horus68,lionixevolve/LionixCRM,ChangezKhan/SuiteCRM,ChangezKhan/SuiteCRM,horus68/SuiteCRM-Horus68,pribeiro42/SuiteCRM,salesagility/SuiteCRM,samus-aran/SuiteCRM,lionixevolve/SuiteCRM,lionixevolve/LionixCRM,lionixevolve/LionixCRM,JanSiero/SuiteCRM,ChangezKhan/SuiteCRM,JimMackin/SuiteCRM,lionixevolve/LionixCRM,lionixevolve/LionixCRM,pribeiro42/SuiteCRM,horus68/SuiteCRM-Horus68,JanSiero/SuiteCRM,salesagility/SuiteCRM,lionixevolve/SuiteCRM,gody01/SuiteCRM,horus68/SuiteCRM-Horus68,JanSiero/SuiteCRM,JanSiero/SuiteCRM,Dillon-Brown/SuiteCRM,MikeyJC/SuiteCRM,gody01/SuiteCRM,MikeyJC/SuiteCRM,Dillon-Brown/SuiteCRM,JimMackin/SuiteCRM,salesagility/SuiteCRM,JimMackin/SuiteCRM,samus-aran/SuiteCRM,MikeyJC/SuiteCRM,MikeyJC/SuiteCRM,lionixevolve/LionixCRM,pribeiro42/SuiteCRM,gody01/SuiteCRM