Moving from govendor to dep, updated dependencies (#48)

* Moving from govendor to dep.

* Making the pull request template more friendly.

* Fixing akward space in PR template.

* goimports run on whole project using ` goimports -w $(find . -type f -name '*.go' -not -path "./vendor/*" -not -path "./gen-go/*")`

source of command: https://gist.github.com/bgentry/fd1ffef7dbde01857f66

vendor/git.apache.org/thrift.git/build/cmake/FindLibevent.cmake

@@ -0,0 +1,41 @@
+# find LibEvent
+# an event notification library (http://libevent.org/)
+#
+# Usage: 
+# LIBEVENT_INCLUDE_DIRS, where to find LibEvent headers
+# LIBEVENT_LIBRARIES, LibEvent libraries
+# Libevent_FOUND, If false, do not try to use libevent
+
+set(LIBEVENT_ROOT CACHE PATH "Root directory of libevent installation")
+set(LibEvent_EXTRA_PREFIXES /usr/local /opt/local "$ENV{HOME}" ${LIBEVENT_ROOT})
+foreach(prefix ${LibEvent_EXTRA_PREFIXES})
+  list(APPEND LibEvent_INCLUDE_PATHS "${prefix}/include")
+  list(APPEND LibEvent_LIBRARIES_PATHS "${prefix}/lib")
+endforeach()
+
+find_path(LIBEVENT_INCLUDE_DIRS event.h PATHS ${LibEvent_INCLUDE_PATHS})
+# "lib" prefix is needed on Windows
+find_library(LIBEVENT_LIBRARIES NAMES event libevent PATHS ${LibEvent_LIBRARIES_PATHS})
+
+if (LIBEVENT_LIBRARIES AND LIBEVENT_INCLUDE_DIRS)
+  set(Libevent_FOUND TRUE)
+  set(LIBEVENT_LIBRARIES ${LIBEVENT_LIBRARIES})
+else ()
+  set(Libevent_FOUND FALSE)
+endif ()
+
+if (Libevent_FOUND)
+  if (NOT Libevent_FIND_QUIETLY)
+    message(STATUS "Found libevent: ${LIBEVENT_LIBRARIES}")
+  endif ()
+else ()
+  if (LibEvent_FIND_REQUIRED)
+    message(FATAL_ERROR "Could NOT find libevent.")
+  endif ()
+  message(STATUS "libevent NOT found.")
+endif ()
+
+mark_as_advanced(
+    LIBEVENT_LIBRARIES
+    LIBEVENT_INCLUDE_DIRS
+  )