build for GTK
Fixed double-free
Fixed double-free
separate test for objc and test for c++
Build for Linux
Merge branch 'master' into glib-support
Removed main.cpp
Renamed main.mm to main.cpp
Merge branch 'master' into glib-support
CMakefile for tests
Fixed build
Fixed cocoapods spec
build of mailcore2
Minor improvement in '.gitignore' file.

When you work in a team, it is really useful to have 'Podfile.lock' in gitignore as well. In a case when this file IS under version control and your teammate added something into 'Podfile', installed new pods on his machine and then you are pulling his fixes into your working copy - your working copy seems to be consistent for Cocoapods (because Podfile and Podfile.lock are in sync), but in fact your working copy is missing a new pod files, so you'll get build errors and will wonder what happens. But if we keep Podfile.lock in gitignore - you easily will fix that by just running standard 'pod install' command in Terminal.
Merge pull request #980 from maximkhatskevich/master

Minor improvement in '.gitignore' file.
Port to win32
Merge branch 'master' into win32
Fixed win32 port. Added MCMainThread implementation
Fixed win32 build
Updated to libetpan c3d37fa8a135c36d9f296f01585e56b94dd55642