fixed webkit dpi

Workaround.  WebKit works only with 96dpi.
Need to convert point size to pixel size.
Merge pull request #91 from drizt/webkit-dpi

fixed webkit dpi
Added hack to make bringToFront working properly in kde
Merge branch 'master' of github.com:psi-im/psi
Slightly rewritten previous KDE hack to be more accurate.
Removed file suffix in KDE hack (should work in KDE for windows =) )
fixed typo
Merge pull request #92 from liuch/master

fixed typo
Fixed contacts tooltips colors

KDE uses tooltip color roles to render background, but psitiplabel had some other default roles.
So we had a mess mixing tooltip and not tooltip roles
Remove line-height from new_classic webkit theme.
Use lookahead when parsing _/*
Fixed crash in AlertManager (double free)
Allow no text in html message content. for example if it's image
Add correct checks of new Mac OS X versions in SystemInfo.
Update checks of MS Windows versions in SystemInfo.
Merge pull request #99 from tehnick/mac-ver

Add correct checks of new Mac OS X versions in SystemInfo.
Allowed autofill password for muc join dialog.
Merge pull request #105 from liuch/master

Allowed autofill password for muc join dialog.
Fixed drag and drop action in the muc roster.
Merge pull request #106 from liuch/master

Fixed drag and drop action in the muc roster.