cache_warmer 7.x-4.1

Changes since 7.x-4.1:

• Issue #2006682: Add support for authenticated crawling by colan: Add support for authenticated crawling.
• Issue #2005450: Info file is missing by colan: Added missing info file.
• Revert "* Added support for authenticated crawling. Closes #2006682." The commit credit is missing.
• Revert "* Moving this to a module. Closing #2005450." as commit credit missing.
• Added support for authenticated crawling. Closes #2006682.
• Moving this to a module. Closing #2005450.
• Lua code comments tweaking.
• Fixed function_exists check for crawler include functions.
• Moved crawling functions to separate includes. Less code to be parsed.
• URI typo fixed in link to httprl project.
• Note about drupal 6 and httprl integration to come.
• Language fixes.
• Docs language improved.
• README text style issue fixed.