#633750 by arianek, Shai, jhodgdon, and JuliaKM: Update Comment module to new documentation standards.

#615282 by carlos8f, katbailey, c960657, and rfay: Fixed Enter key is ignored on pages with #ajax fields.

#632996 by JuliaKM, arianek, marvil07, and jhodgdon: Convert Forum module to new help text standard.

- Patch #638430 by tobiasb, marcvangend: quick fix for error messages not being readable during install. Probably needs follow-up work.

- Patch #606934 by matt2000, johanneshahn, yched: fixed bug with boolean fields, and added more field type tests.

- Patch #564852 by justinrandell, mcarbone, Crell: fixed subselect in WHERE condition with multiple placeholders cause invalid/duplicate placeholders.