Fixed from_bytes for std::map to use from_bytes_noalloc correctly

The compile error identified in issue #203 turned out to originate in
SerializationSupport.hpp's implementation of from_bytes for maps: It
called the from_bytes_noalloc function with three parameters, even
though the third parameter always has a default value and doesn't need
to be specified. Since it explicitly used a context_ptr<value_t> as the
third parameter, this meant the compiler couldn't match the "const"
version of the fron_bytes_noalloc function, which has a
context_ptr<const T> as the third parameter, even though buf_ptr is a
const char*. Removing the context_ptr parameter entirely allowed the
compiler to select the correct from_bytes_noalloc version.

This closes #203.

include/derecho/mutils-serialization/SerializationSupport.hpp

@@ -1050,9 +1050,9 @@ from_bytes(DeserializationManager* ctx, char const* buffer) {
 
     auto new_map = std::make_unique<T>();
     for(int i = 0; i < size; ++i) {
-        auto key = from_bytes_noalloc<key_t>(ctx, buf_ptr, context_ptr<key_t>{});
+        auto key = from_bytes_noalloc<key_t>(ctx, buf_ptr);
         buf_ptr += bytes_size(*key);
-        auto value = from_bytes_noalloc<value_t>(ctx, buf_ptr, context_ptr<value_t>{});
+        auto value = from_bytes_noalloc<value_t>(ctx, buf_ptr);
         buf_ptr += bytes_size(*value);
         new_map->emplace(*key, *value);
     }

src/core/git_version.cpp

@@ -13,8 +13,8 @@ namespace derecho {
 const int MAJOR_VERSION = 2;
 const int MINOR_VERSION = 1;
 const int PATCH_VERSION = 0;
-const int COMMITS_AHEAD_OF_VERSION = 131;
+const int COMMITS_AHEAD_OF_VERSION = 132;
 const char* VERSION_STRING = "2.1.0";
-const char* VERSION_STRING_PLUS_COMMITS = "2.1.0+131";
+const char* VERSION_STRING_PLUS_COMMITS = "2.1.0+132";
 
 }