We’ve been touting the idea of one of the major portals buying the specialist video search engines for some time and now America Online has gone out and bought newcomer Truveo to add to its video search efforts. AOL’s acquisition agreement with Truveo was signed and closed on December 21, 2005 but only just released and terms of the agreement were not disclosed. Truveo was previously privately held, and financed by venture capital and angel investors. Guesstimates of the value have all settled around $50 million as a likely price paid. Truveo came to our notice back in September when it impressed us by being able to show more video than all the other video search engines and to play…