[FIXED JENKINS-16278] Fixed RememberMe cookie signature generation (bugfix on SECURITY-49)

New cookie signature generation was not implemented in creation of RememberMe cookie, but only in its verification.
Fixed by new override TokenBasedRememberMeServices2.loginSuccess
Fix license text.
Add missed closing parenthesis.
Update the url of Hudson.USER_CONTENT_README.
Fix the case of Windows directory.
Fix indent.
Fix wrong cap.
Merge branch 'master' of https://github.com/tan9/jenkins
Wrap texts.
Remove redundant period.
Make clock difference message easier to be localized.
Correct Views TabBar to My Views TabBar.
[FIXED JENKINS-16457] Bogus Jenkins.rawBuildsDir not adequately diagnosed.
Top-level private classes are evil.
[FIXED JENKINS-16462] Run parameters do not support folders.
Add missing period.
Correct the description of ITEM_ROOTDIR since workspace is also
configurable.
Replace Maven 2 by Maven 2/3.
Remove out-dated comments.
Merge branch 'master' of https://github.com/tan9/jenkins