Merge pull request #36 from linuxr/master

add -z option to uliweb load and loadtable command
Add `-z` paramter to `load` and `loadtable` command, thanks for linuxr
Change desc of -p and -z parameter of load command
Fix SimpleFrame bug
Fix dump and load path creation bug
add domain url_prefix support
fix subdomain support
Fix subdomain
修正用uliweb dump/dumptable -t导出得到csv文件，通过uliweb load/loadtable -t导入表除ID列外其他列值为空的情况
Merge pull request #38 from taogeT/master

ORM导出导入CSV文件列值为空
change template option check_modifed_time from False to True
Add `validatetemplate` command to validate syntax for template files
Remove no useless GenericView templates
Fix domain url_prefix bug
Fix template template blocks display bug
add Loader.load() support layout function
Fix generic.py ListView fields = [] will search default meta
Add new app sequence, you can use it to create sequence value.
Fix template unicode process for out.write
Fix generic version parameter passing to obj.save() bug, only when version is not False will be passed