Support for absolute paths in the generator script when not running from the EmbeddedProto folder.

generator/protoc-gen-eams.py

@@ -261,7 +261,8 @@ class MessageTemplateParameters:
 def generate_code(request, respones):
     # Based upon the request from protoc generate
 
-    template_loader = jinja2.FileSystemLoader(searchpath="./generator/")
+    filepath = os.path.dirname(os.path.abspath(__file__))
+    template_loader = jinja2.FileSystemLoader(searchpath=filepath)
     template_env = jinja2.Environment(loader=template_loader, trim_blocks=True, lstrip_blocks=True)
     template_file = "Header_Template.h"
     template = template_env.get_template(template_file)