add comment field to changelog table
save comment from content entry
Fix: pager overwritten every time a content is loaded.
Making Tags behave a bit more like other Taxonomies. Fixes #1283
Merge pull request #1289 from tonicospinelli/changelog-comment

Changelog Note
Fix database update for changelog comment.
Merge pull request #1294 from ntomka/patches

Fix: pager overwritten every time a content is loaded.