[PT 49581813] add file size limit both at client & server side
[PT 49384979] increase the memory size value in letshire manifest
remove headless gem which was used by ui test earlier

Signed-off-by: Henry Chen <hchen@vmware.com>
fix 'the error message is not consistent'
Merge pull request #141 from Chunjie/master

[PT 49581813] add file size limit both at client & server side
Merge pull request #142 from Henry-CF/headless

remove headless gem which was used by ui test earlier