release to GPlay with minor but important improvements

[vidma]

• [x] add an option in the settings whether to speak each icon....
• [ ] larger back button
• [x] icon extaction is running each time!? check the hash thingy; shouldnt be cancelable, right...
• [ ] make tableview in main window scroll-auto -- like this the tabs will fit even on tiny devices...
• [x] describe spc colors in docs: fr
• [x] test it: fr
• [x] remove extra debugging
  • debug mode
  • db creator?
• [ ] add link to change language - system settings
• [x] build the apk
• [x] test on tablet
• [x] test upgrade from earlier version (G Play)
• [x] release to production
• [x] update screenshots
• [ ] add a video

Summary:

• updated UI: added tabs in category view, improved search (google gesture search removed temporarily)
• add tablet

Skip:

• [ ] last phrases, todo: need display...
• [ ] add word_clean (w/o to), so search might work faster?
• [ ] catg. adverb of place is poor
• [ ] in app purchases - donate
• [ ] gesture search don't work well
• [ ] phrase history is dead (remove until next release)
• [ ] reorganize icons?
  • show first: time?
  • move lower: adv.place - don't work well anyway..., dot? is it so important?
  • time icon - black background?

Done:

• [x] apply new fancy beautiful action bar style
  • gray/less intence border bettween search and category?
• [x] "censorship"
• [x] large screen & landscape-mode and better tablet support
• [x] on phones make it clear that second "screen" exists
• [x] simplify how datafiles are shipped
• [x] minor improvements to french & english tagging of items -- old commit by ...
• [x] improve the buttons: fixed in #48
  • back button: category (it's not displayed correctly)
  • delete button
• [x] label do not fit - fix: 60a5f9259d1916fe45510203c00d5c73303ae3c2
• [x] refactor the code in PR #49
• [x] gridview: fast scrolling + first letter display
• [x] in english, eliminate the "to" when sorting - add column?
  • P.S. only a hack for now...
• [x] enable search in gridview? fixed in #50
• [x] use UUID so updates can be performed?! fixed in #51
• [x] optional: storing 4000 files in assets is increasing memory use ~7-9MB extra (35%+)
  • e.g. store zip file + hash, check hash & extract to data dir on first load.
• [x] search widget is crap (the one used if Gesture search is absent)
  • this should actually use standard search functionality plus fast scroll
  • gridview vs listview vs searchview?
  • TODO: searching over all (no category)
• [x] seem fine now: detecting memory leaks..
• [x] improve docs - incl. describe SPC colors
  • TODO: translate to french
• [x] smaller "inf"/all icon in category
• [x] speak each icon on low voice when added
• [x] add basic tabs: for now: all, recently used
  • phrase history is crap and broken, so maybe add recently used tab
  • I got rid of the recently used (cursor), as it was messing up the fastscroll...
  • favourite phrases...!!! (next release)?
  • display important icons first (!)
  • TODO: in future may allow to mark an icon as important!
• [x] describe spc colors in docs: en
• [x] updated a couple of icons...
• [x] once categoty selected - hide not important actions, so more space is available for icons and UI is less overwhelming, with tabs etc...
  • leave only: search, maybe info..?
• [x] optional: ease the dependency installation
• [x] update the pics