Adds tile handler to the perf server

perf/server/src/config/config.go

Index: perf/server/src/config/config.go
diff --git a/perf/server/src/config/config.go b/perf/server/src/config/config.go
index ac05c5ab98be6df51b0a2156f858a1fc341469e7..f66b1ce18638d89840fed31417ae650a4e77b42d 100644
--- a/perf/server/src/config/config.go
+++ b/perf/server/src/config/config.go
@@ -64,5 +64,33 @@ var (
 	ALL_DATASET_NAMES = []DatasetName{DATASET_SKP, DATASET_MICRO}
 
 	// TODO(jcgregorio) Make into a flag.
-	BEGINNING_OF_TIME = QuerySince(time.Date(2014, time.June, 18, 0, 0, 0, 0, time.UTC))
+	BEGINNING_OF_TIME          = QuerySince(time.Date(2014, time.June, 18, 0, 0, 0, 0, time.UTC))
+	HUMAN_READABLE_PARAM_NAMES = map[string]string{

[jcgregorio, 2014/07/11 20:36:48]

Sort this list on the first column to make it easier to find names.

[kelvinly, 2014/07/11 20:51:58]

Done.

+		"builderName":     "Builder name",

[jcgregorio, 2014/07/11 20:36:48]

If these are going to be column titles then capitalize both

Builder Name

[kelvinly, 2014/07/11 20:51:58]

It actually looks fairly nice lowercase, but done

+		"rotate":          "Rotate",
+		"system":          "System type",
+		"clip":            "Clip",
+		"gpuConfig":       "GPU Configuration",
+		"os":              "OS",
+		"role":            "Buildbot role",
+		"testName":        "Test name",
+		"antialias":       "Antialiasing",
+		"model":           "Buildbot model",
+		"measurementType": "Measurement type",
+		"arch":            "CPU Architecture",
+		"dither":          "Dither",
+		"mode":            "Mode configuration",
+		"config":          "Picture configuration",
+		"configuration":   "Build configuration",
+		"skpSize":         "Size of SKP",

[jcgregorio, 2014/07/11 20:36:49]

SKP Size
SKP Name

[kelvinly, 2014/07/11 20:51:58]

Done.

+		"benchName":       "SKP name",
+		"gpu":             "GPU type",
+		"viewport":        "Viewport size",
+		"scale":           "Scale setting",
+		"bbh":             "BBH setting",
+	}
+	KEY_PARAM_ORDER = map[string][]string{
+		string(DATASET_SKP):   []string{"builderName", "benchName", "config", "scale", "measurementType"},
+		string(DATASET_MICRO): []string{"builderName", "testName", "config", "scale", "measurementType"},
+	}
 )