Disable email notifications in Travis.

Merge pull request #72 from talex5/travis

Fix build on ARM and add Travis tests

Added Travis test script

This builds Openlibm on the Travis build host (x86) and also
cross-compiles to ARM.

Note: the tests currently fail on ARM, as noted in
https://github.com/JuliaLang/openlibm

Added Travis test script

This builds Openlibm on the Travis build host (x86) and also
cross-compiles to ARM.

Note: the tests currently fail on ARM, as noted in
https://github.com/JuliaLang/openlibm/issues/18

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Don't build complex long double functions on ARM

ARM doesn't have long doubles.

Remove test binaries too on "make clean"

Merge pull request #70 from JuliaLang/sb/bench

change include path to build on linux, fix .gitignore

change include path to build on linux, fix .gitignore

Remove architectures that haven't been tested.

As discussed in #69, this only requires a minor version number bump.

Add license information to libm-bench.cpp

README and LICENSE updates.

Add all the complex declarations to openlibm.h.

Replace math.h with openlibm.h in the new complex math functions.

Update Make.files

Add various complex math routines from OpenBSD.

Merge pull request #69 from JuliaLang/vs/longdouble

Long double versions of math functions

Get the ld80 routines from OpenBSD to build on mac and linux.
Bump version number and SO major version, since we have
introduced new long double APIs.

Import long double versions from OpenBSD.

Remove files with problematic license. Fix #33.

Update licenses - the test files are LGPL'ed.

Fix #35

Add `make bench` for building the benchmarks

Update gitignore

Merge branch 'master' of github.com:JuliaLang/openlibm

Add @lindahua 's libm benchmark.