removed unused gravity tag
Text are now string resources
Updated two broken string resources and fixed item duplicate error
fixed a few more string resources
set limit for characters edit item and testing tablerow weight
set weight of tablerow and width of goal items
Added About page
Added styling to the buttons
added About Activity and button styles
removed timestamp class
updated button styles (#15) - added red and green button colors for minus and plus buttons; decreased saturation on all buttons
fixed some layout bugs and added the goal title to main activity
Added new icon and timestamp_view class
Adjusted the toal textview width
started implementing #23