fixed a case of message: 'PHP Notice: Trying to get property of non-object in .../class-static_press.php on line 326'
fixed a message 'PHP Notice: Undefined index: type in ***/wp-content/plugins/staticpress/includes/class-static_press.php on line 554'
Merge pull request #3 from kazurayam/Trying_to_get_property_of_non-object

fixed a case of message: 'PHP Notice: Trying to get property of non-obje...
Merge pull request #4 from kazurayam/Undefined_index_type

Undefined index type
update ver.0.4.3.5
fixed plugin message
remove needless cast
replace loading icon
escape javascript error
add advanced options

change label text
add time elapsed
update translate