Merge branch 'release/1.3.0'
Fixed format mistake in users guide.
Fixed mistake in rozo man page (rozo volume remove).
Fixed issue #60 (rozo manager).
Remove print for rozo volume expand call (rozo-manager).
Open file buffer overflow
In some specific cases it occurs that the data written in the buffer
associated to an open file overflows the buffer limits.
Increase the number of contexts for socketCtrl in storio.
Change version to 1.3.1.
Merge branch 'hotfix/1.3.1' into develop

Conflicts:
	CMakeLists.txt
	debian/changelog
	manager/rozofs/__init__.py
	src/rozofsmount/rozofs_write.c