add git2unix and git commit script.

+#!/bin/bash
+
+cat <<END >>/dev/null
+touch git-ensure-commit &&
+echo "cd `pwd` && git checkout master &&" >git-ensure-commit &&
+echo "bash `pwd`/git.commit.sh" >>git-ensure-commit &&
+chmod +x git-ensure-commit &&
+sudo rm -f /bin/git-ensure-commit &&
+sudo mv git-ensure-commit /bin/git-ensure-commit
+END
+
+echo "submit code to github.com"
+
+echo "argv[0]=$0"
+if [[ ! -f $0 ]]; then 
+    echo "directly execute the scripts on shell.";
+    work_dir=`pwd`
+else 
+    echo "execute scripts in file: $0";
+    work_dir=`dirname $0`; work_dir=`(cd ${work_dir} && pwd)`
+fi
+work_dir=`(cd ${work_dir}/.. && pwd)`
+product_dir=$work_dir
+
+# allow start script from any dir
+cd $work_dir && git checkout master
+
+. ${product_dir}/scripts/_log.sh
+ret=$?; if [[ $ret -ne 0 ]]; then exit $ret; fi
+ok_msg "导入脚本成功"
+
+function remote_check()
+{
+    remote=$1
+    url=$2
+    git remote -v| grep "$url" >/dev/null 2>&1
+    ret=$?; if [[ 0 -ne $ret ]]; then
+        echo "remote $remote not found, add by:"
+        echo "    git remote add $remote $url"
+        exit -1
+    fi
+    ok_msg "remote $remote ok, url is $url"
+}
+remote_check origin git@github.com:winlinvip/simple-rtmp-server.git
+remote_check srs.csdn git@code.csdn.net:winlinvip/srs-csdn.git
+remote_check srs.oschina git@git.oschina.net:winlinvip/srs.oschina.git
+ok_msg "remote check ok"
+
+function sync_push()
+{
+    for ((;;)); do 
+        git push $*
+        ret=$?; if [[ 0 -ne $ret ]]; then 
+            failed_msg "Retry for failed: git push $*"
+            sleep 3
+            continue
+        else
+            ok_msg "Success: git push $*"
+        fi
+        break
+    done
+}
+
+sync_push --all origin
+sync_push --all srs.csdn
+sync_push --all srs.oschina
+ok_msg "push refs ok"
+
+sync_push --tags srs.csdn
+sync_push --tags srs.oschina
+ok_msg "push tags ok"
+
+exit 0

+#!/bin/bash
+
+cat <<END >>/dev/null
+touch git2unix &&
+echo "bash `pwd`/git2unix.sh" >git2unix &&
+chmod +x git2unix &&
+sudo rm -f /bin/git2unix &&
+sudo mv git2unix /bin/git2unix
+END
+
+dos2unix -V>/dev/null 2>&1
+ret=$?; if [[ 0 -ne $ret ]]; then 
+    echo "dos2unix not found." 
+    echo "      sudo yum install -y dos2unix"
+    exit $ret
+fi
+
+files=`git status|egrep "(modified|new file)"|awk -F ':' '{print $2}'|awk '{print $1}'|egrep "(.hpp$|.cpp$|.cc$|.h$|.c$|.txt$|.sh$)"`;
+for file in $files; do
+    dos2unix $file;
+    echo $file|grep ".sh$" >/dev/null 2>&1; EOF_SH=$?
+    if [[ $EOF_SH -ne 0 && -f $file ]]; then 
+        echo "chmod -x $file"
+        chmod -x $file; 
+    fi
+done