Merge branch 'master' into 1.6

extra/travis/build_linux.sh

extra/travis/build_osx.sh

test-run

test/app/inspector.result

test/app/inspector.test.lua

test/big/hash_multipart.result

test/big/hash_multipart.test.lua

test/big/lua.result

test/big/lua.test.lua

test/big/sql.result

test/big/sql.test.lua

test/big/tree_pk.result

test/big/tree_pk.test.lua

test/big/tree_pk_multipart.result

test/big/tree_pk_multipart.test.lua

test/box/access.result

test/box/access.test.lua

test/box/access_bin.result

test/box/access_bin.test.lua

test/box/admin.result