upgrade to ganglia 3.5.0

Signed-off-by: Luca Clementi <luca.clementi@gmail.com>
Upgraded ganglia to 3.5.0

Now ganglia web is ditributed as another package so I moved it in
src/monitor-web

Signed-off-by: Luca Clementi <luca.clementi@gmail.com>
ganglia-web 3.5.7

Now ganglia splits web and core part into two packages

Signed-off-by: Luca Clementi <luca.clementi@gmail.com>
fix permission on temporary file used by ganglia-web

Signed-off-by: Luca Clementi <luca.clementi@gmail.com>
add php stuff only to the frontend

since now ganglia-web is installed only on the frontend, its
dependencies are also installed only on the FE

Signed-off-by: Luca Clementi <luca.clementi@gmail.com>
Fix Makefile for gangalia

If a package fails, fail the compilation of the roll

Signed-off-by: Luca Clementi <luca.clementi@gmail.com>