pidgin/pidgin

Fix some broken urls and get rid of the old developer segfault message

Tweak some urls and get rid of the developer segfault message

Testing Done:
Build only

Reviewed at https://reviews.imfreedom.org/r/114/
subdir('libpurple')
subdir('protocols')
if ENABLE_GTK
subdir('pidgin')
endif
if enable_consoleui
subdir('finch')
endif