[REVIEW][3-5] misc fixes for -3-5

[Michael Stahl]

some misc commits, mostly crashes fixed while loading ~2000 presumed
ODT documents (looking at actual patches reveals expecting people to set
bug attachment mime types correctly is unrealistic), proposed for
libreoffice-3-5:

plugin crashes:

http://cgit.freedesktop.org/libreoffice/core/commit/?id=cd24d2524f2c2da51f982015f1b027003b192808
http://cgit.freedesktop.org/libreoffice/core/commit/?id=43cb934dda9af45a83748c775f274bbd0fdcd67a

boost crash (don't know if that happens in product builds as well):
this basically syncs the binfilter code with core:

http://cgit.freedesktop.org/libreoffice/binfilter/commit/?id=508835a5ea8d385b3a740b769d75cdd4c3362809

gdb thingy:

http://cgit.freedesktop.org/libreoffice/core/commit/?id=89b68f682e40f1bdc6c967bf38308504fae70d82

assertions triggered by silly code:

http://cgit.freedesktop.org/libreoffice/core/commit/?id=6c3e8f9d19a0392a817c1b5692421ed0972a3b7e
http://cgit.freedesktop.org/libreoffice/core/commit/?id=c1f723fd53e8c41b80285d11a149e0044f580e2f

pyuno valgrind:

http://cgit.freedesktop.org/libreoffice/core/commit/?id=29177b1d04b845e8e6bf8edc8beb34b76a95d9c3

crash in Impress accessibility code:

http://cgit.freedesktop.org/libreoffice/core/commit/?id=cdfa3bd5e4c62dc88158a4c6c4908404baf1f529
http://cgit.freedesktop.org/libreoffice/core/commit/?id=e72e8dcd332474321439eb266528eb7e5fc8809f