Do not free endomorphism constants when disabled
Introduce CHECK() for tests that works with NDEBUG.
build: add autogen. How was this missing?
build: add travis support

This adds a huge matrix of builds. The undesirable ones can be removed.
Merge pull request #28

4d79beb Do not free endomorphism constants when disabled (Pieter Wuille)
Merge pull request #31

0592d11 Introduce CHECK() for tests that works with NDEBUG. (Pieter Wuille)
Merge pull request #32

b0cc21f build: add travis support (Cory Fields)
d409087 build: add autogen. How was this missing? (Cory Fields)
No releases yet anyway
Merge pull request #34

62c5890 No releases yet anyway (Pieter Wuille)
Merge branch 'master' of https://github.com/bitcoin/secp256k1

Conflicts:
	src/group.h
	src/group_impl.h