Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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+# BitReader
+
+BitReader is a helper type to extract strings of bits from a slice of bytes.
+
+[![Published Package](https://img.shields.io/crates/v/bitreader.svg)](https://crates.io/crates/bitreader)
+[![Documentation](https://docs.rs/bitreader/badge.svg)](https://docs.rs/bitreader)
+[![Build Status](https://travis-ci.org/irauta/bitreader.svg?branch=master)](https://travis-ci.org/irauta/bitreader)
+
+Here is how you read first a single bit, then three bits and finally four bits from a byte buffer:
+
+    use bitreader::BitReader;
+
+    let slice_of_u8 = &[0b1000_1111];
+    let mut reader = BitReader::new(slice_of_u8);
+
+    // You obviously should use try! or some other error handling mechanism here
+    let a_single_bit = reader.read_u8(1).unwrap(); // 1
+    let more_bits = reader.read_u8(3).unwrap(); // 0
+    let last_bits_of_byte = reader.read_u8(4).unwrap(); // 0b1111
+
+You can naturally read bits from longer buffer of data than just a single byte.
+
+As you read bits, the internal cursor of BitReader moves on along the stream of bits. Big endian format is assumed when reading the multi-byte values. BitReader supports reading maximum of 64 bits at a time (with read_u64).
+
+## License
+
+Licensed under the Apache License, Version 2.0 or the MIT license, at your option.