parse correctly with leading spaces; adapt test to test on it

opt-pilot/Tests/resources/test.in

@@ -25,9 +25,9 @@ else {
 }
 
 obj1: OBJECTIVE,  EXPR="KS*KS";
-o2:   OBJECTIVE,  EXPR="sumErrSq("resources/measurement_test.dat", "rms_x", "statfile")";
-ob3:  OBJECTIVE,  EXPR="fromFile("resources/from_file.dat", "var")";
-d1:   DVAR,       VARIABLE="KS", LOWERBOUND="0.0", UPPERBOUND="0.5";
+  o2: OBJECTIVE,  EXPR="sumErrSq("resources/measurement_test.dat", "rms_x", "statfile")";
+ ob3: OBJECTIVE,  EXPR="fromFile("resources/from_file.dat", "var")";
+  d1: DVAR,       VARIABLE="KS", LOWERBOUND="0.0", UPPERBOUND="0.5";
 c1:   CONSTRAINT, EXPR="KS < 1.0";
 
 objs: OBJECTIVES = (obj1, o2, ob3);

opt-pilot/Util/CommentAnnotatedInputFileParser.cpp

@@ -2,7 +2,7 @@
 #include <iostream>
 #include <sstream>
 
-#include <boost/algorithm/string.hpp>
+#include "boost/algorithm/string.hpp"
 #include "boost/tuple/tuple.hpp"
 #include "boost/foreach.hpp"
 
@@ -151,15 +151,20 @@ std::string CommentAnnotatedInputFileParser::getAttribute(
     // "name = value" attribute style
     if(attribute.compare("name") == 0) {
 
+        // get string on left side of colon
         StringList_t res;
         boost::split(res, str, boost::is_any_of(":"),
                      boost::token_compress_on);
         std::string ret = res[0];
 
         // remove comment symbols at the beginning of the line
-        if(comment_symbol_ == "")
+        if(comment_symbol_ == "") {
+            // trim left space
+            boost::trim_left(ret);
             return ret;
+        }
 
+        // get string on right side of comment
         boost::split(res, ret, boost::is_any_of(comment_symbol_),
                      boost::token_compress_on);
         return res[1];