fixed $_GET not being cleaned after it is replaced in Input::uri()
create_hex_color returns rgba as definition says

The function returns alpha value as the definition says
The returned value is between 0 and 100, which is used in the Image class as alpha value.
Merge pull request #1570 from sagikazarmark/patch-2

create_hex_color returns rgba as definition says
Merge pull request #1568 from SlKelevro/clean-get-after-replace

fixed $_GET not being cleaned after it is replaced in Input::uri()
Bugfix on convert_number (impacts at least _resize and _crop_resize)

Depending on php configuration, float are sometimes converted to strings using commas instead of points. This notation can create issues since the conversion from string to float will return an integer.
For instance: "1.2" / 10 == 0.12 but "1,2" / 10 == 0.1...
Merge pull request #1571 from sdrdis/patch-2

Bugfix on convert_number (impacts at least _resize and _crop_resize)
Fix: Class variable has 2 distinct names

Declare with name $size_cache
Used one time with this name for debug
All others times, used with name $sizes_cache
Freenode verify token
Removed freenode.txt
Changed File::download event to fuel-shutdown, fixed cookie conflict.
do not use a hardcoded directory separator. closes #1573
make sure languages are processed with highest priority last. closes #1574
fixed broken lang file loads
better test for absence of any file paths
added set_connection() to force compile() to use a preset connection
preserve the version when getting the last migration. closes #1553
fixed coding standard violation
fixed broken migrate down
Bugfix on _resize when using BC Math and on some locales (as french)
updated the default location of the browscap file