lint fix, add make test_lint

Makefile

@@ -99,6 +99,9 @@ test_unit:
 test_cover:
 	@bash tests/test_cover.sh
 
+test_lint:
+	gometalinter --disable-all --enable='golint' --vendor ./...
+
 benchmark:
 	@go test -bench=. $(PACKAGES)
 
@@ -130,4 +133,4 @@ devdoc_update:
 # To avoid unintended conflicts with file names, always add to .PHONY
 # unless there is a reason not to.
 # https://www.gnu.org/software/make/manual/html_node/Phony-Targets.html
-.PHONY: build build_examples install install_examples dist check_tools get_tools get_vendor_deps draw_deps test test_unit test_tutorial benchmark devdoc_init devdoc devdoc_save devdoc_update
+.PHONY: build build_examples install install_examples dist check_tools get_tools get_vendor_deps draw_deps test test_nocli test_unit test_cover test_lint benchmark devdoc_init devdoc devdoc_save devdoc_update

x/stake/fee_distribution.go

@@ -4,6 +4,7 @@ import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 )
 
+// Handle fee distribution to the validators and delegators
 func FeeHandler(ctx sdk.Context, tx sdk.Tx, fee sdk.Coins) {
 
 }