[Pidgin] Batch modify: #1434, #2297, #2661, #2789, #2791, #2794, ...

[Pidgin]

Batch modification to #1434, #2297, #2661, #2789, #2791, #2794, #2800, #2803, #2804, #2905, #3066, #3353, #3581, #3695, #4121, #4689, #4691, #4734, #4775, #4855, #4866, #5019, #5613, #6887, #8213, #8764, #9192, #9718, #9891, #9903, #9936, #10537, #11584, #12133, #14288, #14613, #15786 by Robby:
milestone to 

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