Revert "Bug 25752: sourceType is redundant as constraint"

This reverts commit 71f3030cdd686f84bd6decb895d2196c13092bcd.
Revert "Bug 26243: Do we need getUserMedia() on MediaDevices?"

This reverts commit 30c1812084ceee87761f2ee4af9a123b0a604ec6.
Revert "prepped change log for next version" (We're back at 20140817 published version)

This reverts commit 394adcffe6bc6a9fc3c59d18f2256f2d125c3bd3.
Added missing images.
Manually set publication date to 2014-08-17.
Merge branch 'master' into gh-pages
Added dated version v20140909.