Bullet 2.85 update

Engine/lib/bullet/.travis.yml

@@ -0,0 +1,27 @@
+language: cpp
+os:
+  - linux
+  - osx
+compiler:
+  - gcc
+  - clang
+addons:
+  apt:
+    packages:
+      - python3
+
+script:
+  - echo "CXX="$CXX
+  - echo "CC="$CC
+  - cmake . -DBUILD_PYBULLET=ON -G"Unix Makefiles" #-DCMAKE_CXX_FLAGS=-Werror
+  - make -j8
+  - ctest -j8 --output-on-failure
+  # Build again with double precision
+  - cmake . -G "Unix Makefiles" -DUSE_DOUBLE_PRECISION=ON #-DCMAKE_CXX_FLAGS=-Werror
+  - make -j8
+  - ctest -j8 --output-on-failure
+  # Build again with shared libraries
+  - cmake . -G "Unix Makefiles" -DBUILD_SHARED_LIBS=ON
+  - make -j8
+  - ctest -j8 --output-on-failure
+  - sudo make install