added searching of colorramps in style manager
use SVG for action icons
Merge pull request #689 from 3nids/svgactionicons

use SVG for action icons
Only cleanup python with newer sip versions (Fix #8102)
Followup f3e08b5: Actually clean python on systems with newer sip version
Fix windows build
fix editable attribute of joined fields (fix #7739)
Based on pull request 576 by minorua
Merge pull request #429 from tecoholic/ramp_srch

added searching of colorramps in style manager
Bugfixing typos, thanx to Carlos Davila for pointing them out
translation update: danish by Jacob
Let python utils manage all python cleanup
translation update: es by Carlos
More const-correctness
[sextante] minor changes in algorithms
[sextante]adapted SAGA export procedure to SAGA 2.1
[sextante]Some algorithm renaming
[sextante] fixed graticule creation algorithm