Fix for crash on closing OPS
Fixing layout of buttons in Mission View Controller on iPhone 4 and 4S devices.
Fixes #362.
Fix portal level calculation
Currently, if the average resonator level of a portal is between 0 and 1, the
portal level is incorrectly reading L0.
Fixed #346
Merge pull request #354 from alistairmcmillan/FixClosingOPSCrash

Fix for crash on closing OPS
Merge pull request #359 from alistairmcmillan/FixMissionViewLayout

Fixing layout of buttons in Mission View Controller on iPhone 4 and 4S
Merge pull request #363 from jbekas/drop_multi

Fixes #362.
Merge pull request #364 from jbekas/fix_l0

Fix portal level calculation
Color hacked mods
Little fix in findNearbyPortals
Little fix with Inventory auto-refresh