Merge pull request #620 from sbesson/rebased/dev_5_0/server_upgrade_bugfix

Server upgrade bugfix (rebased onto dev_5_0)
Merge pull request #619 from sbesson/javadoc_fix

Fix hardcoded links to Javadocs in the developer documentation
Fixing login credentials
Merge pull request #621 from will-moore/blitz_api5_11852_dev_5_0

Blitz api5 11852 dev 5 0
Changing Windows Ice download link to 3.4
merge dev_5_0 -D org -I include -E exclude: PR 632 (Changing Windows Ice download link to 3.4 (rebased onto dev_5_0))