Mangos 9668 - 9678
Add .DS_Store to gitignore.
Restore build at some old GCC versions

Old GCC hash_map::erase not return next iterator point
Add dummy effect of spell 55364.
fix resilience applying to periodic leech auras
Add some research for spell attributes.
Updated OpenSSL to version 1.0.0.
Fixed few typos.

Conflicts:

src/game/Unit.cpp
Renamed HMACSHA1 to something that will not conflict with feature
HMACSHA256 and HMACSHA512.

Conflicts:

src/shared/Auth/AuthCrypt.cpp
src/shared/Auth/HMACSHA1.cpp
Small backport from other branch.

Conflicts:

src/game/Player.cpp
src/game/SharedDefines.h
src/game/UpdateFields.h
src/realmd/AuthCodes.h
src/shared/Auth/AuthCrypt.cpp
src/shared/Auth/HMACSHA1.cpp
Updated AuthResult enum.
Added some info about realm list and auth response packets.
Added few dbc structs and updated related enums.
Fixed realm flags enum.
Implemented SMSG_BUY_BANK_SLOT_RESULT opcode.
Fixed console spam.
How this happened?
Added one more git ignore.
Fixed VS2010 build after commits:
Commit 2e4a3ca5e6f3cb11cce5d70f45f997f158d8f908 to mangos's mangos - GitHub
8f908
Commit 0833a9c56673966e0dc2b1f4517e9bcc310c5aa1 to mangos's mangos - GitHub
c5aa1
Fix crash in ActivateSpec
Fix SPELL_DAMAGE_CLASS_NONE hit result
Not counting gems at broken item for meta gem requirements.



This is fit as cleint show meta gem state and fix cheating with gems at
broken items.
Implement ITEM_MOD_BLOCK_VALUE support in item stat mods and
enhantments.
Some comments for realmd data.