Update log4rs

Signed-off-by: Joseph Livesey <joseph.livesey@btp.works>

Author: suchapalaver

families/block_info/sawtooth_block_info/Cargo.toml

@@ -54,7 +54,7 @@ sawtooth-sdk = "0.3"
 rust-crypto = "0.2"
 rustc-serialize = "0.3"
 log = "0.4"
-log4rs = "0.8"
+log4rs = "1.2.0"
 
 [build-dependencies]
 protoc-rust = "2.0"

families/identity/sawtooth_identity/Cargo.toml

@@ -36,7 +36,7 @@ sabre-sdk = "0.3"
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 log = "0.4"
-log4rs = "0.8"
+log4rs = "1.2.0"
 rust-crypto = "0.2"
 rustc-serialize = "0.3"
 sawtooth-sdk = "0.3"

families/settings/sawtooth_settings/Cargo.toml

@@ -53,7 +53,7 @@ sabre-sdk = "0.3"
 sawtooth-sdk = "0.3"
 rust-crypto = "0.2"
 rustc-serialize = "0.3"
-log4rs = "0.8"
+log4rs = "1.2.0"
 
 
 [build-dependencies]

families/smallbank/smallbank_rust/Cargo.toml

@@ -31,7 +31,7 @@ rustc-serialize = "0.3"
 clap = "2"
 protobuf = "2.0"
 log = "0.4"
-log4rs = "0.8"
+log4rs = "1.2.0"
 
 [build-dependencies]
 protoc-rust = "2.0"