Automatically calculate DEADTIME based on POLLFREQ or POLLFREQALERT according to http://www.networkupstools.org/docs/man/upsmon.conf.html

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1210 3c3d7b80-5828-415e-9f61-280b98178fff
Customize the readline initialization file of user root.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1211 3c3d7b80-5828-415e-9f61-280b98178fff
Introduce OMVPowerManagement class.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1212 3c3d7b80-5828-415e-9f61-280b98178fff
Add some helper functions to Ext.data.Store.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1213 3c3d7b80-5828-415e-9f61-280b98178fff
Improve code.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1214 3c3d7b80-5828-415e-9f61-280b98178fff