Misc. typos

Found via `codespell` 
+ removed rtengine/dcraw.patch per discussion in https://github.com/Beep6581/RawTherapee/pull/4395

tools/RTProfileBuilderSample.cs

@@ -115,7 +115,7 @@ namespace RTProfilerBuilder {
 			}  // end if camera=xxx
 
 
-			// This is for camera independend settings
+			// This is for camera independent settings
 			switch (sectionEntry) {
 				// These are parsed from EXIFTOOL and XMP in DNG (see http://en.wikipedia.org/wiki/Extensible_Metadata_Platform)
 				case "IPTC/City":
@@ -262,7 +262,7 @@ namespace RTProfilerBuilder {
 		/// <param name="correct">Correction factors</param>
 		public DistortionCorrectProf(double[] focLen, double[] correct) {
 			if (focLen == null || correct == null || focLen.Length != correct.Length || focLen.Length < 2)
-				throw new Exception("DistortionCorrectProf inputs must be valid and of the same lenghts, at least 2 points");
+				throw new Exception("DistortionCorrectProf inputs must be valid and of the same lengths, at least 2 points");
 
 			adFocLen = focLen; adCorrect = correct;
 

tools/benchmarkRT

@@ -31,7 +31,7 @@ download () {
         wget --progress=dot:binary --continue --trust-server-names --tries=1 --timestamping "$1" 2>&1 | sed "s/^/\t/"
         return=${PIPESTATUS[0]}
         ((retries--))
-        if [[ $return -eq 0 ]]; then # I don't trust wget to only exit with 0 if it downloaded the file succesfully, so I check.
+        if [[ $return -eq 0 ]]; then # I don't trust wget to only exit with 0 if it downloaded the file successfully, so I check.
             if [[ -f "$(basename "$1")" ]]; then
                 break
             fi
@@ -145,7 +145,7 @@ if [[ ${inFile} = http* ]]; then # if inFile is a url and if we haven't download
     echo
 }
 else # otherwise if inFile is not a url, check if it exists
-    [[ ! -e "${inFile}" ]] && { # if it doesnt exist, choke
+    [[ ! -e "${inFile}" ]] && { # if it doesn't exist, choke
     printf "%s\n" "You specified" "-i ${inFile}" "but that file does not exist."
     exit 1
 }
@@ -242,7 +242,7 @@ for s in "${!sidecarFinal[@]}"; do
         ##  t="$(( $RANDOM %20 )).$(( $RANDOM %999 ))"
         #   benchmark stores time array of each run, gets reset after each PP3
         benchmark+=("$t")
-        #   total stores time array of each run, doesnt get reset, adds up total afterwards
+        #   total stores time array of each run, doesn't get reset, adds up total afterwards
         total+=("$t")
         i="$(printf "%02d\n" "$i")"
         if [[ $testAllTools -eq 1 ]]; then

tools/win/readme.txt

@@ -8,7 +8,7 @@ As requested in issue 1904 ( http://code.google.com/p/rawtherapee/issues/detail?
 the preferred choice of setup mechanism is Wix widgets. However an InnoSetup script has been
 created before the definitive choice and has been added to the source tree, for convenience.
 
-Once the Wix setup mechanism will be operational, the InnoSetup can be supressed from the source
+Once the Wix setup mechanism will be operational, the InnoSetup can be suppressed from the source
 tree.
 
 All discussion about the present document and the setup scripts has to be done in issue 1904.