Remove trailing whitespace from all files (#497)

test/tool/net/jsontestsuite_fail2_test.lua

@@ -1,22 +1,22 @@
--- 
+--
 -- Nicolas Seriot's JSONTestSuite
 -- https://github.com/nst/JSONTestSuite
 -- commit d64aefb55228d9584d3e5b2433f720ea8fd00c82
--- 
+--
 -- MIT License
--- 
+--
 -- Copyright (c) 2016 Nicolas Seriot
--- 
+--
 -- Permission is hereby granted, free of charge, to any person obtaining a copy
 -- of this software and associated documentation files (the "Software"), to deal
 -- in the Software without restriction, including without limitation the rights
 -- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 -- copies of the Software, and to permit persons to whom the Software is
 -- furnished to do so, subject to the following conditions:
--- 
+--
 -- The above copyright notice and this permission notice shall be included in all
 -- copies or substantial portions of the Software.
--- 
+--
 -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 -- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 -- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
@@ -24,7 +24,7 @@
 -- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 -- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 -- SOFTWARE.
--- 
+--
 
 -- these test cases are prefixed with n_
 -- ljson should reject all of them as invalid