Merge pull request #187 from geekman/master

Fixed Wordpress import when importing WXR files above version 1.1.
Merge pull request #189 from geekman/master

Expose count in each Tag for templates
note about import without reconversion
Merge branch 'pr-190'
remove external commands introduction, has been reverted long ago
Fixed formatting of imported Wordpress entries.
This is just another hack to try to fix the odd mixture of HTML & newlines.
Convert Wordpress shortcode for code listings into <pre> blocks