Merge branch '0.5.x' into 0.6.0.x

Conflicts:
	src/key.h
	src/keystore.h
	src/net.h
	src/protocol.cpp
	src/qt/guiutil.h
	src/test/DoS_tests.cpp

src/main.cpp

@@ -1001,7 +1001,7 @@ bool CTransaction::DisconnectInputs(CTxDB& txdb)
     // Remove transaction from index
     // This can fail if a duplicate of this transaction was in a chain that got
     // reorganized away. This is only possible if this transaction was completely
-    // spent, so erasing it would be a no-op anway.
+    // spent, so erasing it would be a no-op anyway.
     txdb.EraseTxIndex(*this);
 
     return true;
@@ -1710,7 +1710,7 @@ bool CBlock::CheckBlock() const
     if (nSigOps > MAX_BLOCK_SIGOPS)
         return DoS(100, error("CheckBlock() : out-of-bounds SigOpCount"));
 
-    // Check merkleroot
+    // Check merkle root
     if (hashMerkleRoot != BuildMerkleTree())
         return DoS(100, error("CheckBlock() : hashMerkleRoot mismatch"));
 
@@ -1902,7 +1902,7 @@ FILE* AppendBlockFile(unsigned int& nFileRet)
             return NULL;
         if (fseek(file, 0, SEEK_END) != 0)
             return NULL;
-        // FAT32 filesize max 4GB, fseek and ftell max 2GB, so we must stay under 2GB
+        // FAT32 file size max 4GB, fseek and ftell max 2GB, so we must stay under 2GB
         if (ftell(file) < 0x7F000000 - MAX_SIZE)
         {
             nFileRet = nCurrentBlockFile;
@@ -1996,7 +1996,7 @@ bool LoadBlockIndex(bool fAllowNew)
 
 void PrintBlockTree()
 {
-    // precompute tree structure
+    // pre-compute tree structure
     map<CBlockIndex*, vector<CBlockIndex*> > mapNext;
     for (map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.begin(); mi != mapBlockIndex.end(); ++mi)
     {
@@ -2049,7 +2049,7 @@ void PrintBlockTree()
 
         PrintWallets(block);
 
-        // put the main timechain first
+        // put the main time-chain first
         vector<CBlockIndex*>& vNext = mapNext[pindex];
         for (unsigned int i = 0; i < vNext.size(); i++)
         {
@@ -2213,7 +2213,7 @@ bool static AlreadyHave(CTxDB& txdb, const CInv& inv)
 
 
 // The message start string is designed to be unlikely to occur in normal data.
-// The characters are rarely used upper ascii, not valid as UTF-8, and produce
+// The characters are rarely used upper ASCII, not valid as UTF-8, and produce
 // a large 4-byte int at any alignment.
 unsigned char pchMessageStart[4] = { 0xf9, 0xbe, 0xb4, 0xd9 };
 
@@ -2860,12 +2860,12 @@ bool ProcessMessages(CNode* pfrom)
         {
             if (strstr(e.what(), "end of data"))
             {
-                // Allow exceptions from underlength message on vRecv
+                // Allow exceptions from under-length message on vRecv
                 printf("ProcessMessages(%s, %u bytes) : Exception '%s' caught, normally caused by a message being shorter than its stated length\n", strCommand.c_str(), nMessageSize, e.what());
             }
             else if (strstr(e.what(), "size too large"))
             {
-                // Allow exceptions from overlong size
+                // Allow exceptions from over-long size
                 printf("ProcessMessages(%s, %u bytes) : Exception '%s' caught\n", strCommand.c_str(), nMessageSize, e.what());
             }
             else
@@ -3107,9 +3107,9 @@ unsigned int static ScanHash_CryptoPP(char* pmidstate, char* pdata, char* phash1
     unsigned int& nNonce = *(unsigned int*)(pdata + 12);
     for (;;)
     {
-        // Crypto++ SHA-256
+        // Crypto++ SHA256
         // Hash pdata using pmidstate as the starting state into
-        // preformatted buffer phash1, then hash phash1 into phash
+        // pre-formatted buffer phash1, then hash phash1 into phash
         nNonce++;
         SHA256Transform(phash1, pdata, pmidstate);
         SHA256Transform(phash, phash1, pSHA256InitState);
@@ -3346,7 +3346,7 @@ void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int&
 void FormatHashBuffers(CBlock* pblock, char* pmidstate, char* pdata, char* phash1)
 {
     //
-    // Prebuild hash buffers
+    // Pre-build hash buffers
     //
     struct
     {
@@ -3471,7 +3471,7 @@ void static BitcoinMiner(CWallet *pwallet)
 
 
         //
-        // Prebuild hash buffers
+        // Pre-build hash buffers
         //
         char pmidstatebuf[32+16]; char* pmidstate = alignup<16>(pmidstatebuf);
         char pdatabuf[128+16];    char* pdata     = alignup<16>(pdatabuf);
@@ -3496,7 +3496,7 @@ void static BitcoinMiner(CWallet *pwallet)
             unsigned int nHashesDone = 0;
             unsigned int nNonceFound;
 
-            // Crypto++ SHA-256
+            // Crypto++ SHA256
             nNonceFound = ScanHash_CryptoPP(pmidstate, pdata + 64, phash1,
                                             (char*)&hash, nHashesDone);