eclipse 版本 代号
http://www.juapk.com/thread-5342-1-1.html
http://subclipse.tigris.org/servlets/ProjectProcess?pageID=p4wYuA
eclipse svn 插件Subclipse 与电脑中安装的svn（subversion）的版本对应的情况。
Subclipse 1.4.x includes and requires Subversion 1.5.x client features and working copy format.
Subclipse 1.6.x includes and requires Subversion 1.6.x client features and working copy format.
Subclipse 1.8.x includes and requires Subversion 1.7.x client features and working copy format.
Subclipse 1.10.x includes and requires Subversion 1.8.x client features and working copy format.
