[dlang.org] [D-Programming-Language/dlang.org] 43609d: Update beta announcement and correct video links

[GitHub via dlang.org]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/dlang.org
  Commit: 43609dfca452c6b5caddbb7c605d54da2e11e2fb
      https://github.com/D-Programming-Language/dlang.org/commit/43609dfca452c6b5caddbb7c605d54da2e11e2fb
  Author: AndrewEdwards <edwards.ac at gmail.com>
  Date:   2014-07-04 (Fri, 04 Jul 2014)

  Changed paths:
    M index.dd

  Log Message:
  -----------
  Update beta announcement and correct video links

Links to video for DConf 2014 incorrect. Update announcement to reflect availability of v2.066.0-b1.