handle error in pwrite (fs plugin)
fix bug introduced in 89d66b8c5ad95fa899285013c3c0f0580101750a when
compiling with debug option
fix commit 164256b57c4b71836c171b7ecd528d0439bdcad9
link to github contributors list
add <session_setup> tag in arrivalphase to change the popularities of sessions  (TSUN-260)
expand sessions names in <session_setup>