Fix malloc/jemalloc mixup due to missing dependencies in FSAL shared objects

FSAL shared objects were compiled without the -ljemalloc argument.
This has caused a crash in fs_specific_has() (FSAL_VFS) where strdup() memory was allocated by
jemalloc() but was free by libc's free()

Signed-off-by: Amit Dror <amitd@infinidat.com>
Adjust config samples files to current ganesha state

Fix VFS and POSIX config files to fit current ganesha install path.
Fix some config parameters' names in VFS config file

Signed-off-by: Amit Dror <amitd@infinidat.com>
Fix spelling in error messages

Signed-off-by: Amit Dror <amitd@infinidat.com>