remove skin provider
(cherry picked from commit cd186835f80d26d5f26ab83b8605e412a6125d96)
ignore parameters when validating manifest content type (fixes #221)
(cherry picked from commit f74b7b0f2538a8c0f29d8065e71c5ae354f7b133)
revert ADB to nsIProcess and use new TCPSocket API on Gecko 23+ (fixes #459, #460)
(cherry picked from commit 0440ba8dd7d0c4e131f6919c2c0e1decb71e078a)