Cleaned the codes of the relation to Promise.

the codes of the process after "then".
If the user open tabs are greater than the setting value, Fix the bug that doesn't work the process that tab beyond it is purging.
Changed the behavior when run the purging tab or un-purging tab .

When the extension purged tabs, the timer of its tab to disable.
When the extension unpurged tabs, the timer of its tab to enable.
Remove the code that uses the angular.js and jquery from the background.
Change the message of English translation.

The item that purging all tabs except the active tab.
When be initialized, fix the bug that doesn't set the timer correctly.
When than the current memory of set values less, fix the bug that doesn't automatic purge.

Fix the bug codes.
Change auto check timing.
Cleaned the behavior of purgingAllTabsExceptForTheActiveTab function.

The part of the process have been combined.
The function for the reject function is changed the process.
The codes of the Promise relation are changed.

about "then" function is the behavior.
the part of be using chrome.windows.getAll is changed to chrome.tabs.query.
has changed the behavior of chrome.contextMenus.onClicked.addEventlistner.

to use from "if" to "switch".
When be initialized, If can't get data from storage, the work is closing.
cleaned the codes.
A part of the comments are updated.
The behavior is changed when setTick is skipped.

as the error as is not issued.