Typo fix: s/Applicaiton/Application/g

[msmania]

$ grep -nri applicaiton
app/cmd/cli/query.go:538:               params := rpc.HeightAndApplicaitonOptsParams{
app/cmd/rpc/rpc_test.go:643:    var params = HeightAndApplicaitonOptsParams{
app/cmd/rpc/rpc_test.go:659:    params = HeightAndApplicaitonOptsParams{
app/cmd/rpc/query.go:78:type HeightAndApplicaitonOptsParams struct {
app/cmd/rpc/query.go:732:       var params = HeightAndApplicaitonOptsParams{}
x/apps/types/errors_test.go:163:func TestError_ErrApplicaitonPubKeyExists(t *testing.T) {
x/apps/types/errors_test.go:238:func TestError_ErrBadApplicaitonAddr(t *testing.T) {
x/apps/types/errors_test.go:258:                                t.Errorf("ErrBadApplicaitonAddr(): returns %v but want %v", got, tt.want)
x/apps/keeper/application_test.go:40:                           t.Errorf("Applicaiton.GetApplication() = got %v, want %v", found, tt.want)
x/apps/keeper/application_test.go:155:                          t.Errorf("Applicaiton.GetAllApplications() = got %v, want %v", got, tt.want)
x/apps/keeper/application_test.go:184:                          t.Errorf("Applicaiton.GetAllApplications() = got %v, want %v", got, tt.want)
x/apps/keeper/appStateChanges_test.go:15:func TestAppStateChange_ValidateApplicaitonBeginUnstaking(t *testing.T) {
x/apps/keeper/appUnstaked.go:19:// deleteUnstakingApplicaiton - DeleteEvidence an application address from the unstaking queue