ROMControl: Remove Needless Preference

Was planning on doing this with the
        multiple custom toggles patch
        but I've run out of energy
        on that idea for the time
        being.  Probably a good time
        to do so now.

Change-Id: I6dac8c2a40efba6c60c337307f7fc724757041f3
Merge "ROMControl: Remove Needless Preference" into jb-mr1
Replace weekday option with date option for statusbar clock

Change-Id: I3f958dd4e5788c8e953be4ca905b23ec80f429b2
RC: Hidden Statusbar Pulldown (2/2)

Currently this gives the options to turn it on/off and configure the timeout
for the Statusbar before hiding again. This is dependent on Hide Statusbar
being on since it doesnt make sense to have on without it. Thats also why I
made the changes to the mStatusBarHide part so it turns off when Hide Statusbar
is unchecked. If its written badly or whatever, please change however needed
since I suck at java.

Change-Id: I9ddd2d1a41da42eb264494872c5928aad8397933
Add CM10.1 LockClock option

Change-Id: I0e069887f5bc66bf44c644dea58b3cdd7d14f268
bring back DPI changer

originally part of DPI Changer + Tablet UI commit on ICS by @sethyx and @dagr8
cherry-picked and adapted for JB-MR1 by @championswimmer and @kecinzer

PS4:Added situation that values don't exists in build.prop
PS5:
After hour of play with this condition in IntelliJ IDEA I finaly found solution for it.
I must compare .lengtg() to 0. Now it works.
Still I think, that we need clean up all dialog, because clearing Market stuff is no logner needed.

PS6: we are keeping the long procedure intact because we never know
if some day play store starts checking persis.lcd_density too,
so let's keep the compatibility workarounds,
even though atm they are not needed

Change-Id: I3e3a63eb64b0f107c1fad0f2fd8bb7c7f6e6e227
Signed-off-by: ChampionSwimmer <android@championswimmer.tk>