switchVersion.sh now maintains t3lib and typ3 symlinks

git-svn-id: http://typo3scripts.googlecode.com/svn/branches/dev@232 a8a2147e-0eb0-e98b-0563-54e275c8f842
Now ignoring errors due to possibly non-existent directories

git-svn-id: http://typo3scripts.googlecode.com/svn/branches/dev@233 a8a2147e-0eb0-e98b-0563-54e275c8f842
fixPermissions.sh now creates typo3temp if it doesn't exist.

git-svn-id: http://typo3scripts.googlecode.com/svn/branches/dev@234 a8a2147e-0eb0-e98b-0563-54e275c8f842