units building and packaging redesigned + Travis CI support

conanfile.py

@@ -26,21 +26,38 @@ class UnitsConan(ConanFile):
     name = "units"
     version = "0.0.1"
     author = "Mateusz Pusz"
-    license = "https://github.com/mpusz/units/blob/master/LICENSE"
+    license = "https://github.com/mpusz/units/blob/master/LICENSE.md"
     url = "https://github.com/mpusz/units"
     description = "Physical Units library for C++"
+    exports = ["LICENSE.md"]
     settings = "os", "compiler", "build_type", "arch"
     requires = (
         "cmcstl2/2019.03.18@mpusz/stable",
         "gsl-lite/0.33.0@nonstd-lite/stable"
     )
+    scm = {
+        "type": "git",
+        "url": "auto",
+        "revision": "auto"
+    }
     generators = "cmake"
 
-    def build(self):
+    def _configure_cmake(self):
         cmake = CMake(self)
         cmake.configure(source_dir="%s/src" % self.source_folder)
+        return cmake
+
+    def build(self):
+        cmake = self._configure_cmake()
         cmake.build()
-        # cmake.install()
+
+    def package(self):
+        self.copy(pattern="*license*", dst="licenses", excludes="cmake/common/*", ignore_case=True, keep_path=False)
+        cmake = self._configure_cmake()
+        cmake.install()
 
     def package_info(self):
-        self.cpp_info.libs = ["units"]
+        self.cpp_info.includedirs = ['include']
+
+    def package_id(self):
+        self.info.header_only()