Update changelog of 3.1.4

Signed-off-by: chenwany <[email protected]>

Add changelog entries for 2.11.7

Signed-off-by: Francesco Giordano <[email protected]>

Fix changelog entries for 2.11.6

Signed-off-by: Giacomo Marciani <[email protected]>

Bump version to 3.1.3

Signed-off-by: Giacomo Marciani <[email protected]>

Remove every reference to Torque and SGE schedulers

* Remove jobwatcher, sqswatcher and nodewatcher code.
* Remove nodewatcher, sqswatcher, jobwatcher references.
* Remove ASG utilities.

Signed-off-by: Enrico Usai <[email protected]>

Bump version to 3.1.2

Bump version to 3.1.1

Signed-off-by: Enrico Usai <[email protected]>

Improve tests for slurm commands utilis

Signed-off-by: Luca Carrogu <[email protected]>

Bump version to 3.0.3

Signed-off-by: Francesco De Martino <[email protected]>

Update Changelog for 2.11.4

Signed-off-by: Enrico Usai <[email protected]>