-make tests working on web

-WebAssembly now is compiled with emscripten use (stdc functions bindings only)
-added python script to build WASM version

compile_wasm.py

@@ -0,0 +1,91 @@
+import os
+import ntpath
+import sys
+
+shared_flags = ''
+clean = 0
+
+for arg in sys.argv:
+    if(arg == '-O3'):
+        shared_flags += '-O3 '
+    elif(arg == '-O2'):
+        shared_flags += '-O2 '
+    elif(arg == '-O1'):
+        shared_flags += '-O1 '
+    elif(arg == '-O0'):
+        shared_flags += '-O0 '
+    elif(arg == '-Os'):
+        shared_flags += '-Os '
+    elif(arg == '-Oz'):
+        shared_flags += '-Oz '
+    elif(arg == '-g'):
+        shared_flags += '-g '
+    elif(arg == '--clean'):
+        clean = 1
+        
+if clean == 1:
+    for path in ['bc']:
+        for r, d, f in os.walk(path):
+            for file in f:
+                filename, file_extension = os.path.splitext(file)
+                if file_extension == '.bc':
+                    print('remove ' + os.path.join(r, file))
+                    os.remove(os.path.join(r, file))
+    exit()
+
+
+paths = ['tests', 'source']
+
+files = []
+# r=root, d=directories, f = files
+for path in paths:
+    for r, d, f in os.walk(path):
+        for file in f:
+            if ntpath.basename(file) != 'win_dll.d':
+                filename, file_extension = os.path.splitext(file)
+                if file_extension == '.d':
+                    files.append(os.path.join(r, file))
+
+
+print('files:')
+for f in files:
+    print(f)
+print
+
+ldc_cmd = 'ldc2 ' + shared_flags + '-mtriple=wasm32-unknown-unknown-wasm -betterC -L-allow-undefined --output-bc --od=bc --checkaction=C '
+
+for path in paths:
+    ldc_cmd += '-I' + path + ' '
+    
+for f in files:
+    ldc_cmd += f + ' '
+
+print ldc_cmd
+
+os.system(ldc_cmd)
+
+print
+
+files = []
+# r=root, d=directories, f = files
+for path in ['bc']:
+    for r, d, f in os.walk(path):
+        for file in f:
+            filename, file_extension = os.path.splitext(file)
+            if file_extension == '.bc':
+                files.append(os.path.join(r, file))
+                
+
+print('BC files:')
+for f in files:
+    print(f)
+print
+                
+emcc_cmd = 'emcc -v ' + shared_flags + '-s ALLOW_MEMORY_GROWTH=1 -s MALLOC=dlmalloc -s WASM=1 -o index.html '
+
+for f in files:
+    emcc_cmd += f + ' '
+
+print emcc_cmd
+
+os.system(emcc_cmd)