- Fix Status link on (master) node page (was missing parens)
- Fix Delete, Configure and Build History links on node pages
  (pointed to top level instead of relative)
- Only show New Node link if you have Administer permission
- Add permission check on computer/new page
- Removed broken "Configure Executors" link on nodes page
  (now each node has its own Configure link)
- Fix one help link in DumbSlave config page
- Fix group label for new Slave permissions


git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@14250 71c3de6d-444a-0410-be80-ed276b4c234a