Merge branch 'rdunlap' (patches from Randy Dunlap)
Merge documentation fixes from Randy Dunlap.
* emailed patches from Randy Dunlap <rdunlap@infradead.org>:
Documentation: update /proc/stat "intr" count summary
Documentation: update java sample wrapper for java 7
Documentation: update thunderbird email client settings
Documentation: fix typos in drm docbook