Toward v4.2.0

[kaizu]

No description provided.

[kaizu]

Changes in the release policy:

• Only support Python the latest v3 64bit
• v2 and the old v3s are optionally supported only on Linux.

How about conda? #260

[kaizu]

Changes in the version of C++ used:

• C++11 is allowed.
• Use std::unordered_map. Forget boost/tr1.
• Switch to STL smart pointers?
• Use the latest version of Boost, if possible

[kaizu]

New and deprecated features:

• Integrate ODEReactionRule -> ReactionRule. See Integrate ODEReactionRule with the standard ReactionRule #262
• Redefine Space. See No need for the common base class among spaces #255
• Refactor documents
• Enable to split species attribute definition #267
• Python callback observer Python callback observer #107
• Model::list_species should return Species in species_attributes too Model::list_species should return Species in species_attributes too #271
• volume and actual_volume in spatiocyte are confusing volume and actual_volume in spatiocyte are confusing #254

[kaizu]

See https://github.com/ecell/ecell4/milestone/14

[kaizu]

v4.2.0 is now replaced with v1.0 due to the new version scheme (see also #331).

@kozo2 Please check if all is done and close this issue.