Fixed wrong type argument in drupal-convert-line-ending.

Fixes #53 by @dhaley.
Fixed bug in `drupal-search-documentation`.
Suppress byte-compile-warning.

Commit c727a18be70257741322d144ae2bebc3516575f6 produced a
byte-compile-warning.
Merge commit '89f2043bde8075db515129e1ad03155271e9f07f'

Conflicts:
	drupal-mode.el