Merge pull request #61 from tojarafal/master

added electrum icon
Merge pull request #63 from tojarafal/master

few more icons. Need to be verified, though.
Added dropbox emblem icons
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Added nm-device-wired-secureB (the same original icon with a transparent lock)
First modification to pull request #63: moved the type of nm-vpn-connecting* from being true files to symlinks to ../apps/nm-device-secure* . This has both the advantage to save some space, and to keep all of the original files into the apps folder. The appearance is the maintained, thougn.
Slightly modified chrome-app-lists: the squares were not exactly squares. Ref #63
Moved chrome-app-list to google-chrome-app-list for better uniformity
Created sunrise-calendar icon for better readability. Ref #63
Changed sunrise-calendar: the two background squares were misaligned by 1px or so. Ref #63
Added new settings icons. Now they are all called settings* . No change to the end-user, though. Ref: #63
Added guayadeque icon
Slightly lightened up tablet icon. Not that much, though. Ref #63
Changed qnapi in order to make it more minimal. Ref #63
Moved suggestion icons to the main folder. Not used yet, though. Ref #63
Icon restructuring. Ref #63
Added the session icon into the main icons