CVS version numbers

czech/releases/stretch/index.wml: 1.4 -> 1.5 
danish/releases/stretch/index.wml: 1.4 -> 1.5 
dutch/releases/stretch/index.wml: 1.1 -> 1.2 
french/releases/stretch/index.wml: 1.6 -> 1.7 
german/releases/stretch/index.wml: 1.9 -> 1.10 
italian/releases/stretch/index.wml: 1.5 -> 1.6 
japanese/releases/stretch/index.wml: 1.5 -> 1.6 
portuguese/releases/stretch/index.wml: 1.6 -> 1.7 
russian/releases/stretch/index.wml: 1.8 -> 1.9 
spanish/releases/stretch/index.wml: 1.5 -> 1.6 
swedish/releases/stretch/index.wml: 1.9 -> 1.10