PhpWiki 1.5.3 released

This is a bug-fix and enhancement release.

• Fix Bug#648 Call to protected method
• easier file upload: forbidden characters in filename are replaced by dashes (instead of rejecting upload)
• improve handling of image insertion icon in edit toolbar (icon did not always appear after image uploading)
• bigger wikipaging font
• test again for function 'posix_times', it does not exist on Windows (reported by jdebert)
• remove FPDF, lib/gif.php, lib/font (were not used)
• rename plugin _Retransform to DebugRetransform
• use PHP ZIP class instead of home-made functions. ziplib renamed to mimelib
• add SOAP scripts
• rename FCKeditor to CKeditor
• load theme pgsrc, if it exists
• SUBPAGE_SEPARATOR removed, it must be '/'
• RateIt plugin for Fusionforge
• remove acdropdown and livesearch
• remove CVS backend