Standardize ReplayGain case

ReplayGain is spelled with CamelCase. Strings around the settings
pannel should match that.
http://en.wikipedia.org/wiki/ReplayGain
ActiveAE: open sinks with at least 2 channels
Music search bugfix

CDirectoryHistory::ClearSearchHistory misused vector::iterator::operator++
in conjunction with vector::erase such that it iterated beyond the end of
the vector if there was a previous music search, resulting in a segfault.
End effect: you could only do one search. Replaced with std::remove_if.
Merge pull request #3289 from FernetMenta/aefixes

ActiveAE: fix playing mono
[aml] fix configure logging for additional players/codecs
[aml] fixed slow startup
Again, ANativeActivity is a struct, not a class

The initial commit of this change was incorrectly reverted by be445eb.
Merge pull request #3252 from bavison/music_search_bug

Music search bugfix
Merge pull request #3275 from yoavf/master

Standardize ReplayGain case
Merge pull request #3166 from koying/fixfontpath

FIX: Consistenly look for fonts in special//home, then special://xbmc
my vcproj
vcproj
mine: rbp tweaks

rbp adjust 2
ADD: JSON-RPC: add a parameter to "Remove" methods allowing to also delete the file
ADD: add advanced settings allowing to customize the items of the "Recently Added" job
ADD: "Queue from here" context menu; Queue from current item to end of list
ADD: "includeallvideos" advanced setting: add all videos to the library, even if there is no scrapper data
ADD: [droid] Ouya specific stuff
FIX: [droid] fix multitouch
[mine] fix recentlyadded