Grammar and spelling fixes

Spelling errors found using github.com/lucasdemarchi/codespell
A tool to fix common misspellings.
This tool is licensed under GNU General Public License, version 2.
Some additional grammar and capitalization errors were fixed as well.

Change-Id: I700db4e6d7ba52b02374c9c3e84be0af8bd91859
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/sensordatahandler.cpp b/sensordatahandler.cpp
index 4d87341..20006dc 100644
--- a/sensordatahandler.cpp
+++ b/sensordatahandler.cpp
@@ -68,7 +68,7 @@
     const auto& iter = mapperResponse.find(path);
     if (iter == mapperResponse.end())
     {
-        log<level::ERR>("Coudn't find d-bus path",
+        log<level::ERR>("Couldn't find D-Bus path",
                         entry("PATH=%s", path),
                         entry("INTERFACE=%s", interface));
         elog<InternalFailure>();